Reapply black to previously completed directories

[mrmundt]

Fixes (Partly) #329

Summary/Motivation:

This is the first in a relatively long string of PRs to apply PEP8 standards via black to Pyomo. We are following the standard used by IDAES except that we are adding the -S option: Don't normalize string quotes or prefixes and the -C option: Don't use trailing commas as a reason to split lines.

NOTE: All changes are NFC.

Changes proposed in this PR:

• Reapply black to all previously modified directories

Legal Acknowledgement

By contributing to this software project, I have read the contribution guide and agree to the following terms and conditions for my contribution:

1. I agree my contributions are submitted under the BSD license.
2. I represent I am authorized to make the contributions and grant the license. If my employer has rights to intellectual property that includes these contributions, I represent that I have received permission to make contributions and grant the required license on behalf of that employer.

[codecov]

Codecov Report

Patch coverage: 87.50% and no project coverage change.

Comparison is base (b6af7b0) 87.01% compared to head (9ea1ce5) 87.01%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2775   +/-   ##
=======================================
  Coverage   87.01%   87.01%           
=======================================
  Files         763      763           
  Lines       87123    87123           
=======================================
+ Hits        75807    75808    +1     
+ Misses      11316    11315    -1     

Flag	Coverage Δ
linux	84.02% <87.50%> (+<0.01%)	⬆️
osx	73.51% <87.50%> (ø)
other	84.20% <87.50%> (ø)
win	81.52% <87.50%> (+<0.01%)	⬆️

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

Impacted Files	Coverage Δ
pyomo/scripting/driver_help.py	64.20% <ø> (ø)
pyomo/scripting/pyomo_main.py	72.34% <50.00%> (ø)
examples/pyomobook/scripts-ch/value_expression.py	100.00% <100.00%> (ø)
pyomo/repn/plugins/gams_writer.py	85.42% <100.00%> (ø)
pyomo/repn/plugins/nl_writer.py	93.81% <100.00%> (ø)

... and 1 file with indirect coverage changes

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