STY: Turn on flake8 for pandas/compat/__init__.py

[gfyoung]

With all of the great cleanup in this file, let's ensure that it remains nice and tidy.

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@190a69e). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master   #26093   +/-   ##
=========================================
  Coverage          ?   91.94%           
=========================================
  Files             ?      175           
  Lines             ?    52443           
  Branches          ?        0           
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  Hits              ?    48220           
  Misses            ?     4223           
  Partials          ?        0

Flag	Coverage Δ
#multiple	90.5% <100%> (?)
#single	40.75% <100%> (?)

Impacted Files	Coverage Δ
pandas/compat/__init__.py	93.22% <100%> (ø)

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@190a69e). Click here to learn what that means.
The diff coverage is 100%.

@@            Coverage Diff            @@
##             master   #26093   +/-   ##
=========================================
  Coverage          ?   91.94%           
=========================================
  Files             ?      175           
  Lines             ?    52443           
  Branches          ?        0           
=========================================
  Hits              ?    48220           
  Misses            ?     4223           
  Partials          ?        0

Flag	Coverage Δ
#multiple	90.5% <100%> (?)
#single	40.75% <100%> (?)

Impacted Files	Coverage Δ
pandas/compat/__init__.py	93.22% <100%> (ø)

---

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 190a69e...dba122d. Read the comment docs.

[WillAyd]

Thanks @gfyoung !