quickstart.py fails on error: No such file or directory: 'credentials.json'

[tenleftfingers]

Expected Behavior

Browser window should open requesting authorisation

Actual Behavior

No browser opens. Error logged to console: $ python quickstart.py Traceback (most recent call last): File "quickstart.py", line 52, in main() File "quickstart.py", line 29, in main 'credentials.json', SCOPES) File "/home/iarla/civetweb-instance-cal/cal/local/lib/python2.7/site-packages/google_auth_oauthlib/flow.py", line 196, in from_client_secrets_file with open(client_secrets_file, 'r') as json_file: IOError: [Errno 2] No such file or directory: 'credentials.json'

Steps to Reproduce the Problem

1. run python quickstart.py as instructed in documentation https://developers.google.com/calendar/quickstart/python
2. Observer no browser appears
3. Observer error in terminal

Specifications

• Python version: 2.7.12
• OS : Linux
• google-auth-oauthlib version: 0.4.1