fix unit issue with CTA effective area perf and req

[vuillaut]

No description provided.

[codecov]

Codecov Report

Merging #174 (5167a08) into master (eafbe37) will increase coverage by 0.19%.
The diff coverage is 32.23%.

❗ Current head 5167a08 differs from pull request most recent head 6027a86. Consider uploading reports for the commit 6027a86 to get more accurate results

@@            Coverage Diff             @@
##           master     #174      +/-   ##
==========================================
+ Coverage   63.15%   63.35%   +0.19%     
==========================================
  Files          21       21              
  Lines        2717     2726       +9     
==========================================
+ Hits         1716     1727      +11     
+ Misses       1001      999       -2     

Impacted Files	Coverage Δ
ctaplot/gammaboard/reader.py	0.00% <0.00%> (ø)
ctaplot/gammaboard/gammaboard.py	11.92% <1.29%> (+0.01%)	⬆️
ctaplot/ana/ana.py	88.20% <84.61%> (-0.03%)	⬇️
ctaplot/__init__.py	100.00% <100.00%> (ø)
ctaplot/ana/tests/test_ana.py	100.00% <100.00%> (ø)
ctaplot/plots/plots.py	78.46% <100.00%> (ø)
ctaplot/plots/tests/test_plots.py	98.73% <100.00%> (+0.07%)	⬆️
ctaplot/plots/style.py	100.00% <0.00%> (ø)

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