changed the initialization to run the app

[liadmagen]

Proposed changes

This is a fix for the gunicron initialization of the app. I hope now the app will load properly in production.

Types of changes

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• [X ] Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist

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• I have read the CONTRIBUTING doc
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)
• Any dependent changes have been merged and published

Further comments

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[codecov]

Codecov Report

Merging #57 into master will increase coverage by 18.49%.
The diff coverage is 70%.

@@             Coverage Diff             @@
##           master      #57       +/-   ##
===========================================
+ Coverage   65.06%   83.56%   +18.49%     
===========================================
  Files          13       13               
  Lines         229      219       -10     
  Branches       27       23        -4     
===========================================
+ Hits          149      183       +34     
+ Misses         79       32       -47     
- Partials        1        4        +3