linting

[larsbuntemeyer]

This PR does a lot of format changes to get linting right. We now try to stick to flake8 and black code formatting.

[codecov-commenter]

Codecov Report

Merging #55 (1e7dd40) into master (9843918) will increase coverage by 0.10%.
The diff coverage is 35.60%.

@@            Coverage Diff             @@
##           master      #55      +/-   ##
==========================================
+ Coverage   54.47%   54.58%   +0.10%     
==========================================
  Files          25       25              
  Lines        1006      993      -13     
==========================================
- Hits          548      542       -6     
+ Misses        458      451       -7     

Flag	Coverage Δ
unittests	54.58% <35.60%> (+0.10%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pyremo/cli.py	0.00% <0.00%> (ø)
pyremo/cmor/derived.py	38.80% <ø> (-0.90%)	⬇️
pyremo/core/utilities.py	0.00% <ø> (-18.19%)	⬇️
pyremo/physics/core.py	41.17% <ø> (ø)
pyremo/physics/units.py	0.00% <ø> (ø)
pyremo/prsint/cli.py	0.00% <0.00%> (ø)
pyremo/tables/__init__.py	100.00% <ø> (ø)
pyremo/tables/_resources.py	86.95% <ø> (ø)
pyremo/tutorial.py	64.70% <ø> (ø)
pyremo/core/domain.py	55.00% <50.00%> (ø)
... and 15 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 9843918...1e7dd40. Read the comment docs.