Improve linting

[yangarbiter]

No description provided.

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 79.85075% with 27 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.82%. Comparing base (1079085) to head (af55b16).
⚠️ Report is 3 commits behind head on master.

Files with missing lines	Patch %	Lines
libact/query_strategies/multiclass/mdsp.py	78.57%	24 Missing ⚠️
libact/labelers/__init__.py	0.00%	1 Missing ⚠️
libact/labelers/interactive_labeler.py	0.00%	1 Missing ⚠️
libact/models/svm.py	75.00%	1 Missing ⚠️
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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #192      +/-   ##
==========================================
+ Coverage   89.60%   89.82%   +0.22%     
==========================================
  Files          37       37              
  Lines        1597     1563      -34     
==========================================
- Hits         1431     1404      -27     
+ Misses        166      159       -7     

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[ariapoy]

Looks good to me.