Handle two deprecated warnings; test black formatter

[fso42]

Deprecated: matplotlib colormaps and pandas append

[codecov]

Codecov Report

Base: 75.17% // Head: 75.17% // No change to project coverage 👍

Coverage data is based on head (cda6f18) compared to base (eb19f7e).
Patch coverage: 96.21% of modified lines in pull request are covered.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #798   +/-   ##
=======================================
  Coverage   75.17%   75.17%           
=======================================
  Files          59       59           
  Lines       12929    12929           
=======================================
  Hits         9720     9720           
  Misses       3209     3209           

Impacted Files	Coverage Δ
avaframe/out3Plot/plotUtils.py	94.49% <95.12%> (-0.02%)	⬇️
avaframe/out3Plot/outAna1Plots.py	94.40% <96.70%> (+<0.01%)	⬆️

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[qlty-cloud-legacy]

Code Climate has analyzed commit cda6f18 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 96.2% (50% is the threshold).

This pull request will bring the total coverage in the repository to 73.2% (0.0% change).

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