lint & format io/iohandlers{p-s}.py

[jGaboardi]

xref #589

This PR:

• breaks out lint & format – io/iohandlers/* #630 (part 3 of $n$)
• formats and lints io/iohandlers{p-s}.py

[codecov]

Codecov Report

Merging #641 (f2efae9) into main (f1d8227) will increase coverage by 0.0%.
The diff coverage is 76.7%.

@@          Coverage Diff          @@
##            main    #641   +/-   ##
=====================================
  Coverage   83.9%   83.9%           
=====================================
  Files        139     139           
  Lines      14966   14958    -8     
=====================================
- Hits       12559   12555    -4     
+ Misses      2407    2403    -4     

Files	Coverage Δ
libpysal/io/iohandlers/stata_txt.py	98.7% <100.0%> (ø)
libpysal/io/iohandlers/pyShpIO.py	72.7% <63.6%> (ø)
libpysal/io/iohandlers/pyDbfIO.py	79.0% <72.7%> (+1.0%)	⬆️

[martinfleis]

There are few questionable changes in there.

[martinfleis]

Thanks James.