Error Setting Up Stream

After setting up my configuration.yaml with stream: I am getting the below error at start up.

Can anybody please point me to the correct library to install to fix this issue?

2020-03-26 09:38:39 ERROR (MainThread) [homeassistant.setup] Error during setup of component stream
Traceback (most recent call last):
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/homeassistant/setup.py", line 170, in _async_setup_component
    hass, processed_config
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/homeassistant/components/stream/__init__.py", line 85, in async_setup
    from .recorder import async_setup_recorder
  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/homeassistant/components/stream/recorder.py", line 6, in <module>
    import av
  File "/Users/home/.homeassistant/deps/lib/python/site-packages/av/__init__.py", line 9, in <module>
    from av._core import time_base, pyav_version as __version__
ImportError: dlopen(/Users/home/.homeassistant/deps/lib/python/site-packages/av/_core.cpython-37m-darwin.so, 2): Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
  Referenced from: /usr/local/opt/ffmpeg/lib/libavfilter.7.dylib
  Reason: image not found