run black and isort on all python files

[taybin]

Description

This reformats the python code with black and isort, preparing for future updates.

[codecov-commenter]

Codecov Report

Merging #10 (9325f9f) into master (f0fd4a1) will decrease coverage by 0.22%.
The diff coverage is 93.81%.

@@            Coverage Diff             @@
##           master      #10      +/-   ##
==========================================
- Coverage   95.09%   94.86%   -0.23%     
==========================================
  Files          27       28       +1     
  Lines        3993     4031      +38     
  Branches      445      449       +4     
==========================================
+ Hits         3797     3824      +27     
- Misses        180      188       +8     
- Partials       16       19       +3     

Impacted Files	Coverage Δ
mode/utils/loops.py	0.00% <0.00%> (ø)
mode/timers.py	88.63% <66.66%> (ø)
mode/worker.py	97.44% <85.18%> (-0.83%)	⬇️
mode/utils/tracebacks.py	84.13% <86.95%> (ø)
mode/utils/objects.py	96.88% <87.23%> (-2.65%)	⬇️
mode/utils/times.py	97.27% <91.66%> (-1.81%)	⬇️
mode/utils/imports.py	98.54% <93.75%> (ø)
mode/utils/logging.py	90.37% <94.73%> (ø)
mode/threads.py	94.42% <95.83%> (ø)
mode/services.py	97.89% <96.77%> (-0.14%)	⬇️
... and 19 more

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