Fix path bug in Ubuntu

[TheTechromancer]

Fixes #1680.

[codecov]

Codecov Report

Attention: Patch coverage is 93.33333% with 1 line in your changes missing coverage. Please review.

Project coverage is 93%. Comparing base (748bea7) to head (f652f73).
Report is 4 commits behind head on dev.

Files	Patch %	Lines
bbot/core/helpers/command.py	94%	1 Missing ⚠️

Additional details and impacted files

@@          Coverage Diff          @@
##             dev   #1708   +/-   ##
=====================================
- Coverage     93%     93%   -0%     
=====================================
  Files        341     341           
  Lines      26044   26056   +12     
=====================================
+ Hits       24021   24022    +1     
- Misses      2023    2034   +11     

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