127.0.0.1 - - [03/Dec/2021 12:43:57] "GET / HTTP/1.1" 200 -
127.0.0.1 - - [03/Dec/2021 12:43:57] "GET /favicon.ico HTTP/1.1" 500 -
Traceback (most recent call last):
  File "/Users/bogdan/PycharmProjects/test_deploy/venv/lib/python3.9/site-packages/flask/app.py", line 2091, in __call__
    return self.wsgi_app(environ, start_response)
  File "/Users/bogdan/PycharmProjects/test_deploy/venv/lib/python3.9/site-packages/flask/app.py", line 2076, in wsgi_app
    response = self.handle_exception(e)
  File "/Users/bogdan/PycharmProjects/test_deploy/venv/lib/python3.9/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/Users/bogdan/PycharmProjects/test_deploy/venv/lib/python3.9/site-packages/flask/app.py", line 1518, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/Users/bogdan/PycharmProjects/test_deploy/venv/lib/python3.9/site-packages/flask/app.py", line 1516, in full_dispatch_request
    rv = self.dispatch_request()
  File "/Users/bogdan/PycharmProjects/test_deploy/venv/lib/python3.9/site-packages/flask/app.py", line 1502, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/Users/bogdan/PycharmProjects/test_deploy/app/main.py", line 10, in ticker_show
    price = get_price(ticker=ticker)
  File "/Users/bogdan/PycharmProjects/test_deploy/app/main.py", line 15, in get_price
    data = requests.get(API_URL.format(ticker=ticker.upper()),
KeyError: 'TICKER'