ERR: Clarify location of EOF on unbalanced quotes

[gfyoung]

• Clarifies message in the C engine (original issue)
• Python's csv module no longer fires specific errors for that, so removed it from handling

Closes #22789.

[pep8speaks]

Hello @gfyoung! Thanks for submitting the PR.

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

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

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

[codecov]

Codecov Report

Merging #22814 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #22814      +/-   ##
==========================================
+ Coverage   92.18%   92.18%   +<.01%     
==========================================
  Files         169      169              
  Lines       50820    50818       -2     
==========================================
- Hits        46850    46849       -1     
+ Misses       3970     3969       -1

Flag	Coverage Δ
#multiple	90.6% <ø> (ø)	⬆️
#single	42.38% <ø> (ø)	⬆️

Impacted Files	Coverage Δ
pandas/io/parsers.py	95.6% <ø> (+0.05%)	⬆️

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[jreback]

ok this all looks good. worth a what's note?

[gfyoung]

ok this all looks good. worth a what's note?

I was on the fence for that one. It's so small that it didn't seem to merit it...up to you. 🙂

[jreback]

nope looks good. thanks