CLN: strict linting for regression/tests/results

[jbrockmendel]

No description provided.

[coveralls]

Coverage decreased (-0.009%) to 84.805% when pulling 549e552 on jbrockmendel:reg_results into 7dff8c3 on statsmodels:master.

[codecov]

Codecov Report

Merging #5736 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #5736   +/-   ##
=======================================
  Coverage   82.28%   82.28%           
=======================================
  Files         593      593           
  Lines       93614    93614           
  Branches    10339    10339           
=======================================
  Hits        77032    77032           
  Misses      14186    14186           
  Partials     2396     2396

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[bashtage]

Files for machines only. Would be good to have a single canonical point for Bunch.

[bashtage]

It is only repeated 35 times.