1993 fix pip platform appimage

[mssalvatore]

What does this PR do?

Fixes #1993

PR Checklist

• Have you added an explanation of what your changes do and why you'd like to include them?
• Is the TravisCI build passing?
• Was the CHANGELOG.md updated to reflect the changes?
• Was the documentation framework updated to reflect the changes?
• Have you checked that you haven't introduced any duplicate code?

Testing Checklist

• Added relevant unit tests?
• Have you successfully tested your changes locally? Elaborate:

  Tested by building locally and modifying config through the UI
  Tested by running end-to-end tests

• If applicable, add screenshots or log transcripts of the feature working

[codecov]

Codecov Report

Merging #2007 (cacd064) into develop (b8c4ae8) will decrease coverage by 0.01%.
The diff coverage is 49.20%.

@@             Coverage Diff             @@
##           develop    #2007      +/-   ##
===========================================
- Coverage    56.50%   56.48%   -0.02%     
===========================================
  Files          463      465       +2     
  Lines        12985    13025      +40     
===========================================
+ Hits          7337     7357      +20     
- Misses        5648     5668      +20     

Impacted Files	Coverage Δ
...key/infection_monkey/exploit/i_agent_repository.py	83.33% <ø> (ø)
...tory/file_storage/local_storage_file_repository.py	97.77% <ø> (-0.05%)	⬇️
...onkey/monkey_island/cc/resources/agent_binaries.py	46.66% <ø> (+7.64%)	⬆️
monkey/monkey_island/cc/server_setup.py	0.00% <ø> (ø)
monkey/monkey_island/cc/services/initialize.py	0.00% <0.00%> (ø)
...ey_island/cc/repository/agent_binary_repository.py	52.94% <52.94%> (ø)
monkey/common/utils/file_utils.py	100.00% <100.00%> (ø)
monkey/monkey_island/cc/app.py	80.13% <100.00%> (-0.14%)	⬇️
monkey/monkey_island/cc/repository/__init__.py	100.00% <100.00%> (ø)
...nd/cc/repository/file_storage/i_file_repository.py	75.00% <100.00%> (ø)
... and 2 more

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