Fix prom2teams uwsgi bin startup

[jmonterrubio]

Prerequisites

• Put an X between the brackets on this line if you have done all of the following:
  • Checked that your issue isn't already filled: https://github.com/issues?utf8=✓&q=is%3Aissue+user%3Aidealista
  • Checked that there is not already provided the described functionality

Description

[Description of the issue]

Steps to Reproduce

1. Create a well-formed uwsgi.ini
2. run: prom2teams_uwsgi uwsgi.ini

Expected behavior: start prom2teams using a uwsgi server

Actual behavior: Error

Reproduces how often: Always

Versions

2.0.0

Additional Information

Any additional information, configuration or data that might be necessary to reproduce the issue.