Unable to get Homeassistant working in a virtual environment on MacOS

I went to upgrade my installation on Big Sur, and ran into issues. So I downgraded back to Catalina. Now I get these errors when I follow the guide at:

I’ve installed Homeassistant on a Mac many times in the past and never had these issues.

Can anyone help?

Last login: Sat Nov 14 15:04:03 on ttys001
[email protected] ~ % hass --open-ui                      
zsh: command not found: hass
[email protected] ~ % cd homeassistant 
[email protected] homeassistant % source bin/activate
(homeassistant) [email protected] homeassistant % hass --open-ui
2020-11-14 15:14:11 WARNING (Recorder) [homeassistant.components.recorder] Ended unfinished session (id=3 from 2020-11-14 20:10:50.351541)
2020-11-14 15:14:15 ERROR (SyncWorker_3) [homeassistant.util.package] Unable to install package pillow==7.2.0: ERROR: Command errored out with exit status 1:
   command: /Users/homeassistant/homeassistant/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py'"'"'; __file__='"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-wheel-1np8410p
       cwd: /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/
  Complete output (170 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.macosx-10.9-x86_64-3.9
  creating build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MpoImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageMode.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PngImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/XbmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PcxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/SunImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/SpiderImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/TarIO.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FitsStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MpegImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/BdfFontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GribStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageStat.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PixarImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GimpPaletteFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageColor.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ContainerIO.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MspImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MicImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/_version.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImtImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GifImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PalmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageQt.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageMath.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PaletteFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PdfParser.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ExifTags.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageCms.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FpxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageChops.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/BufrStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PSDraw.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PcdImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageFilter.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageDraw2.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImagePath.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/DcxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/__init__.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/JpegPresets.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/Hdf5StubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/features.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageDraw.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GimpGradientFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageWin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/IcoImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/_tkinter_finder.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/EpsImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/TgaImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageMorph.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/Jpeg2KImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/WalImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PcfFontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/BlpImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageTk.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GbrImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageOps.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PdfImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageShow.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageEnhance.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/WmfImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageGrab.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/WebPImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FliImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/TiffTags.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/CurImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/_util.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GdImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/TiffImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/IptcImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImagePalette.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/BmpImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageTransform.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/IcnsImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/McIdasImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/XpmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/DdsImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageSequence.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PyAccess.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/_binary.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/Image.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/__main__.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/XVThumbImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/SgiImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PsdImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/JpegImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageFont.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PpmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FtexImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  running egg_info
  writing src/Pillow.egg-info/PKG-INFO
  writing dependency_links to src/Pillow.egg-info/dependency_links.txt
  writing top-level names to src/Pillow.egg-info/top_level.txt
  reading manifest file 'src/Pillow.egg-info/SOURCES.txt'
  reading manifest template 'MANIFEST.in'
  warning: no files found matching '*.c'
  warning: no files found matching '*.h'
  warning: no files found matching '*.sh'
  warning: no previously-included files found matching '.appveyor.yml'
  warning: no previously-included files found matching '.coveragerc'
  warning: no previously-included files found matching '.editorconfig'
  warning: no previously-included files found matching '.readthedocs.yml'
  warning: no previously-included files found matching 'codecov.yml'
  warning: no previously-included files matching '.git*' found anywhere in distribution
  warning: no previously-included files matching '*.pyc' found anywhere in distribution
  warning: no previously-included files matching '*.so' found anywhere in distribution
  no previously-included directories found matching '.ci'
  writing manifest file 'src/Pillow.egg-info/SOURCES.txt'
  running build_ext
  
  
  The headers or library files could not be found for zlib,
  a required dependency when compiling Pillow from source.
  
  Please see the install instructions at:
     https://pillow.readthedocs.io/en/latest/installation.html
  
  Traceback (most recent call last):
    File "/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py", line 864, in <module>
      setup(
    File "/Users/homeassistant/homeassistant/lib/python3.9/site-packages/setuptools/__init__.py", line 165, in setup
      return distutils.core.setup(**attrs)
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/core.py", line 148, in setup
      dist.run_commands()
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 966, in run_commands
      self.run_command(cmd)
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/Users/homeassistant/homeassistant/lib/python3.9/site-packages/wheel/bdist_wheel.py", line 290, in run
      self.run_command('build')
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build.py", line 135, in run
      self.run_command(cmd_name)
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
      self.distribution.run_command(command)
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
      cmd_obj.run()
    File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build_ext.py", line 340, in run
      self.build_extensions()
    File "/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py", line 694, in build_extensions
      raise RequiredDependencyException(f)
  __main__.RequiredDependencyException: zlib
  
  During handling of the above exception, another exception occurred:
  
  Traceback (most recent call last):
    File "<string>", line 1, in <module>
    File "/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py", line 918, in <module>
      raise RequiredDependencyException(msg)
  __main__.RequiredDependencyException:
  
  The headers or library files could not be found for zlib,
  a required dependency when compiling Pillow from source.
  
  Please see the install instructions at:
     https://pillow.readthedocs.io/en/latest/installation.html
  
  
  ----------------------------------------
  ERROR: Failed building wheel for pillow
    ERROR: Command errored out with exit status 1:
     command: /Users/homeassistant/homeassistant/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py'"'"'; __file__='"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-record-08rsrxdt/install-record.txt --single-version-externally-managed --compile --install-headers /Users/homeassistant/homeassistant/include/site/python3.9/pillow
         cwd: /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/
    Complete output (172 lines):
    running install
    running build
    running build_py
    creating build
    creating build/lib.macosx-10.9-x86_64-3.9
    creating build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/MpoImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageMode.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PngImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/XbmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PcxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/SunImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/SpiderImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/TarIO.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/FitsStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/MpegImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/BdfFontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/GribStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageStat.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PixarImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/GimpPaletteFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageColor.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ContainerIO.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/MspImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/MicImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/_version.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImtImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/GifImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PalmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageQt.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageMath.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PaletteFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/FontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PdfParser.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ExifTags.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageCms.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/FpxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageChops.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/BufrStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PSDraw.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PcdImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageFilter.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageDraw2.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImagePath.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/DcxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/__init__.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/JpegPresets.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/Hdf5StubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/features.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageDraw.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/GimpGradientFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageWin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/IcoImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/_tkinter_finder.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/EpsImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/TgaImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageMorph.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/Jpeg2KImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/WalImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PcfFontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/BlpImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageTk.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/GbrImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageOps.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PdfImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageShow.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageEnhance.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/WmfImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageGrab.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/WebPImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/FliImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/TiffTags.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/CurImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/_util.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/GdImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/TiffImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/IptcImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImagePalette.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/BmpImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageTransform.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/IcnsImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/McIdasImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/XpmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/DdsImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageSequence.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PyAccess.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/_binary.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/Image.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/__main__.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/XVThumbImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/SgiImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PsdImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/JpegImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/ImageFont.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/PpmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    copying src/PIL/FtexImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
    running egg_info
    writing src/Pillow.egg-info/PKG-INFO
    writing dependency_links to src/Pillow.egg-info/dependency_links.txt
    writing top-level names to src/Pillow.egg-info/top_level.txt
    reading manifest file 'src/Pillow.egg-info/SOURCES.txt'
    reading manifest template 'MANIFEST.in'
    warning: no files found matching '*.c'
    warning: no files found matching '*.h'
    warning: no files found matching '*.sh'
    warning: no previously-included files found matching '.appveyor.yml'
    warning: no previously-included files found matching '.coveragerc'
    warning: no previously-included files found matching '.editorconfig'
    warning: no previously-included files found matching '.readthedocs.yml'
    warning: no previously-included files found matching 'codecov.yml'
    warning: no previously-included files matching '.git*' found anywhere in distribution
    warning: no previously-included files matching '*.pyc' found anywhere in distribution
    warning: no previously-included files matching '*.so' found anywhere in distribution
    no previously-included directories found matching '.ci'
    writing manifest file 'src/Pillow.egg-info/SOURCES.txt'
    running build_ext
    
    
    The headers or library files could not be found for zlib,
    a required dependency when compiling Pillow from source.
    
    Please see the install instructions at:
       https://pillow.readthedocs.io/en/latest/installation.html
    
    Traceback (most recent call last):
      File "/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py", line 864, in <module>
        setup(
      File "/Users/homeassistant/homeassistant/lib/python3.9/site-packages/setuptools/__init__.py", line 165, in setup
        return distutils.core.setup(**attrs)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/core.py", line 148, in setup
        dist.run_commands()
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 966, in run_commands
        self.run_command(cmd)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/Users/homeassistant/homeassistant/lib/python3.9/site-packages/setuptools/command/install.py", line 61, in run
        return orig.install.run(self)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/install.py", line 546, in run
        self.run_command('build')
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build.py", line 135, in run
        self.run_command(cmd_name)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/cmd.py", line 313, in run_command
        self.distribution.run_command(command)
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/dist.py", line 985, in run_command
        cmd_obj.run()
      File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/distutils/command/build_ext.py", line 340, in run
        self.build_extensions()
      File "/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py", line 694, in build_extensions
        raise RequiredDependencyException(f)
    __main__.RequiredDependencyException: zlib
    
    During handling of the above exception, another exception occurred:
    
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py", line 918, in <module>
        raise RequiredDependencyException(msg)
    __main__.RequiredDependencyException:
    
    The headers or library files could not be found for zlib,
    a required dependency when compiling Pillow from source.
    
    Please see the install instructions at:
       https://pillow.readthedocs.io/en/latest/installation.html
    
    
    ----------------------------------------
ERROR: Command errored out with exit status 1: /Users/homeassistant/homeassistant/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py'"'"'; __file__='"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-7htr5yt5/pillow/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-record-08rsrxdt/install-record.txt --single-version-externally-managed --compile --install-headers /Users/homeassistant/homeassistant/include/site/python3.9/pillow Check the logs for full command output.
WARNING: You are using pip version 20.2.3; however, version 20.2.4 is available.
You should consider upgrading via the '/Users/homeassistant/homeassistant/bin/python3 -m pip install --upgrade pip' command.
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Setup failed for image: Requirements for image not found: ['pillow==7.2.0'].
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of person. Setup failed for dependencies: image
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Setup failed for person: Could not set up all dependencies.
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of onboarding. Setup failed for dependencies: person
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Setup failed for onboarding: Could not set up all dependencies.
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of frontend. Setup failed for dependencies: onboarding
2020-11-14 15:14:15 ERROR (MainThread) [homeassistant.setup] Setup failed for frontend: Could not set up all dependencies.
2020-11-14 15:14:16 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of logbook. Setup failed for dependencies: frontend
2020-11-14 15:14:16 ERROR (MainThread) [homeassistant.setup] Setup failed for logbook: Could not set up all dependencies.
2020-11-14 15:14:16 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of map. Setup failed for dependencies: frontend
2020-11-14 15:14:16 ERROR (MainThread) [homeassistant.setup] Setup failed for map: Could not set up all dependencies.
2020-11-14 15:14:16 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of mobile_app. Setup failed for dependencies: person
2020-11-14 15:14:16 ERROR (MainThread) [homeassistant.setup] Setup failed for mobile_app: Could not set up all dependencies.
2020-11-14 15:14:18 ERROR (MainThread) [homeassistant.setup] Unable to set up dependencies of default_config. Setup failed for dependencies: frontend, logbook, map, mobile_app, person
2020-11-14 15:14:18 ERROR (MainThread) [homeassistant.setup] Setup failed for default_config: Could not set up all dependencies.
2020-11-14 15:14:18 WARNING (MainThread) [homeassistant.bootstrap] Detected that frontend did not load. Activating safe mode
2020-11-14 15:14:22 ERROR (SyncWorker_3) [homeassistant.util.package] Unable to install package pillow==7.2.0: ERROR: Command errored out with exit status 1:
   command: /Users/homeassistant/homeassistant/bin/python3 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-_5214xb7/pillow/setup.py'"'"'; __file__='"'"'/private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-_5214xb7/pillow/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' bdist_wheel -d /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-wheel-6ut_tcie
       cwd: /private/var/folders/xy/4sl5d_z93z780t237ns5zt2r0000gn/T/pip-install-_5214xb7/pillow/
  Complete output (170 lines):
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib.macosx-10.9-x86_64-3.9
  creating build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MpoImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageMode.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PngImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/XbmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PcxImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/SunImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/SpiderImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/TarIO.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FitsStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MpegImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/BdfFontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GribStubImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageStat.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PixarImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GimpPaletteFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageColor.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ContainerIO.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MspImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/MicImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/_version.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImtImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/GifImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PalmImagePlugin.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageQt.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/ImageMath.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PaletteFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/FontFile.py -> build/lib.macosx-10.9-x86_64-3.9/PIL
  copying src/PIL/PdfParser.py -> build/lib.macosx-10.9-x86_64-3.9/PIL

See this post