Prepare for black

[emirkmo]

Begins to fix #44 by changing to spaces.

[codecov]

Codecov Report

Merging #56 (ccff0ac) into devel (eefab78) will not change coverage.
The diff coverage is 22.91%.

@@           Coverage Diff           @@
##            devel      #56   +/-   ##
=======================================
  Coverage   29.15%   29.15%           
=======================================
  Files          36       36           
  Lines        2627     2627           
=======================================
  Hits          766      766           
  Misses       1861     1861           

Impacted Files	Coverage Δ
flows/aadc_db.py	100.00% <ø> (ø)
run_catalogs.py	0.00% <ø> (ø)
run_photometry.py	0.00% <0.00%> (ø)
run_plotlc.py	0.00% <0.00%> (ø)
run_querytns.py	0.00% <0.00%> (ø)
run_upload_photometry.py	0.00% <0.00%> (ø)
run_visibility.py	0.00% <ø> (ø)
flows/run_imagematch.py	16.85% <1.44%> (ø)
flows/visibility.py	17.33% <1.58%> (ø)
flows/plots.py	12.59% <1.73%> (ø)
... and 53 more

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