Remove trailing commas from target string

[jjnicola]

No description provided.

[codecov]

Codecov Report

Merging #306 into ospd-20.08 will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@              Coverage Diff               @@
##           ospd-20.08     #306      +/-   ##
==============================================
+ Coverage       74.16%   74.17%   +0.01%     
==============================================
  Files              23       23              
  Lines            2562     2563       +1     
==============================================
+ Hits             1900     1901       +1     
  Misses            662      662              

Impacted Files	Coverage Δ
ospd/network.py	72.22% <100.00%> (+0.10%)	⬆️

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