Small improvements

[thangleiter]

No description provided.

[codecov]

Codecov Report

Merging #85 (7e724c2) into master (aba0d05) will increase coverage by 0.43%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #85      +/-   ##
==========================================
+ Coverage   97.14%   97.57%   +0.43%     
==========================================
  Files           9        9              
  Lines        2278     2270       -8     
  Branches      520      511       -9     
==========================================
+ Hits         2213     2215       +2     
+ Misses         29       23       -6     
+ Partials       36       32       -4     

Impacted Files	Coverage Δ
filter_functions/basis.py	98.09% <100.00%> (+0.01%)	⬆️
filter_functions/gradient.py	100.00% <100.00%> (ø)
filter_functions/numeric.py	96.50% <100.00%> (+1.78%)	⬆️
filter_functions/plotting.py	97.72% <100.00%> (-0.05%)	⬇️
filter_functions/pulse_sequence.py	97.72% <100.00%> (ø)
filter_functions/types.py	100.00% <100.00%> (ø)
filter_functions/util.py	97.84% <100.00%> (+0.82%)	⬆️

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