Current Transcription error when starting

[benfoley]

Seen when starting Elpis and loading state dir which has existing state.

Traceback (most recent call last):
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 2464, in __call__
    return self.wsgi_app(environ, start_response)
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 2450, in wsgi_app
    response = self.handle_exception(e)
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 1867, in handle_exception
    reraise(exc_type, exc_value, tb)
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/opt/pyenv/versions/3.8.2/lib/python3.8/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/elpis/elpis/endpoints/transcription.py", line 38, in status
    transcription: Transcription = app.config["CURRENT_TRANSCRIPTION"]
KeyError: 'CURRENT_TRANSCRIPTION'

[benfoley]

Seems difficult to reproduce, will revisit this later