OAuth2 Testing an API request to Google Calendar API

test.py

@app.route("/test-api-request")
def test_api_request():
    """Tests an API request to Google Calendar."""
    # grab the credentials from our flask session, in production
    # you will probably store this in some persistent database per user
    credentials = google.oauth2.credentials.Credentials(
      **flask.session['credentials'])

    # build the Google Calendar service which we use to represent the Google Calendar
    # API
    gcal = build('calendar', 'v3', credentials=credentials)
    # grabs Google Calendar events for the particular user who authorized the app
    events_result = gcal.events().list(calendarId='primary',
                                        maxResults=10, singleEvents=True).execute()
    
    # return a JSON response to the front end that shows the results
    return {
        "msg": "successfully processed request",
        "data": events_result
    }