I updated to the latest version and now I am getting this error. The integration cannot be setup. Everything was working fine before. 
Logger: homeassistant.setup
Source: setup.py:416
First occurred: 1:22:18 PM (1 occurrences)
Last logged: 1:22:18 PM
Error during setup of component alexa_media
Traceback (most recent call last):
File "/usr/src/homeassistant/homeassistant/setup.py", line 416, in _async_setup_component
result = await task
^^^^^^^^^^
File "/config/custom_components/alexa_media/__init__.py", line 159, in async_setup
CONF_PUBLIC_URL: account[CONF_PUBLIC_URL],
~~~~~~~^^^^^^^^^^^^^^^^^
KeyError: 'public_url'