lint & format io/{tests, util}/*.py part 1

[jGaboardi]

This PR formats and lints io/{tests, util}/*.py – part 1 of $n$

[codecov]

Codecov Report

Merging #644 (05f9769) into main (46abc94) will increase coverage by 0.2%.
The diff coverage is 84.2%.

@@           Coverage Diff           @@
##            main    #644     +/-   ##
=======================================
+ Coverage   84.1%   84.2%   +0.2%     
=======================================
  Files        139     139             
  Lines      14929   14897     -32     
=======================================
- Hits       12552   12550      -2     
+ Misses      2377    2347     -30     

Files	Coverage Δ
libpysal/io/tests/test_FileIO.py	100.0% <ø> (ø)
libpysal/io/tests/test_Tables.py	95.7% <100.0%> (ø)
libpysal/io/util/wkt.py	100.0% <100.0%> (+12.2%)	⬆️
libpysal/io/util/wkb.py	22.6% <40.0%> (+6.2%)	⬆️