setup: Add pyqtgraph dependency

[VesnaT]

Issue

Fixes #230

Description of changes

Includes

• [X] Code changes
• [ ] Tests
• [ ] Documentation

[codecov-commenter]

Codecov Report

Merging #231 (483659f) into master (7ed0ce8) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #231   +/-   ##
=======================================
  Coverage   70.63%   70.63%           
=======================================
  Files          30       30           
  Lines        4383     4383           
  Branches      664      664           
=======================================
  Hits         3096     3096           
  Misses       1167     1167           
  Partials      120      120           

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