CLN: remove incorrect usages of com.AbstractMethodError

[jbrockmendel]

• closes #xxxx
• tests added / passed
• passes git diff upstream/master -u -- "*.py" | flake8 --diff
• whatsnew entry

[pep8speaks]

Hello @jbrockmendel! Thanks for submitting the PR.

• There are no PEP8 issues in the file pandas/core/generic.py !

• There are no PEP8 issues in the file pandas/core/groupby/generic.py !

• There are no PEP8 issues in the file pandas/core/groupby/groupby.py !

• There are no PEP8 issues in the file pandas/core/groupby/ops.py !

• There are no PEP8 issues in the file pandas/core/indexes/datetimelike.py !

• There are no PEP8 issues in the file pandas/io/common.py !

• There are no PEP8 issues in the file pandas/io/html.py !

• There are no PEP8 issues in the file pandas/io/json/json.py !

• There are no PEP8 issues in the file pandas/io/parquet.py !

• There are no PEP8 issues in the file pandas/io/parsers.py !

• There are no PEP8 issues in the file pandas/plotting/_core.py !

• There are no PEP8 issues in the file pandas/tests/io/parser/test_parsers.py !

• There are no PEP8 issues in the file pandas/tests/test_resample.py !

• There are no PEP8 issues in the file pandas/tseries/offsets.py !

[jreback]

lgtm. ping on green.

[fortrue23]

Please cancela pool thanks

[codecov]

Codecov Report

Merging #23625 into master will decrease coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #23625      +/-   ##
==========================================
- Coverage   92.24%   92.24%   -0.01%     
==========================================
  Files         161      161              
  Lines       51326    51317       -9     
==========================================
- Hits        47347    47338       -9     
  Misses       3979     3979

Flag	Coverage Δ
#multiple	90.63% <100%> (-0.01%)	⬇️
#single	42.31% <100%> (-0.02%)	⬇️

Impacted Files	Coverage Δ
pandas/core/groupby/generic.py	87.07% <ø> (ø)	⬆️
pandas/io/common.py	70.54% <ø> (-0.23%)	⬇️
pandas/io/html.py	91.2% <ø> (-0.06%)	⬇️
pandas/core/generic.py	96.81% <ø> (ø)	⬆️
pandas/plotting/_core.py	83.63% <ø> (ø)	⬆️
pandas/core/groupby/ops.py	96.79% <ø> (ø)	⬆️
pandas/io/parquet.py	84.61% <ø> (-0.15%)	⬇️
pandas/core/groupby/groupby.py	96.51% <ø> (ø)	⬆️
pandas/io/json/json.py	93.09% <ø> (-0.02%)	⬇️
pandas/io/parsers.py	95.55% <ø> (-0.01%)	⬇️
... and 2 more

---

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[jbrockmendel]

Ping

[jreback]

can you rebase

[jreback]

thanks!