Removed CParserError (pandas-dev#30036)

Author: WillAyd

pandas/_libs/parsers.pyx

@@ -63,11 +63,6 @@ from pandas.errors import (ParserError, DtypeWarning,
 
 lzma = _import_lzma()
 
-# Import CParserError as alias of ParserError for backwards compatibility.
-# Ultimately, we want to remove this import. See gh-12665 and gh-14479.
-CParserError = ParserError
-
-
 cdef:
     float64_t INF = <float64_t>np.inf
     float64_t NEGINF = -INF

pandas/io/common.py

@@ -47,9 +47,6 @@
 
 lzma = _import_lzma()
 
-# gh-12665: Alias for now and remove later.
-CParserError = ParserError
-
 # common NA values
 # no longer excluding inf representations
 # '1.#INF','-1.#INF', '1.#INF000000',

pandas/tests/test_errors.py

@@ -39,22 +39,6 @@ def test_catch_oob():
         pass
 
 
-def test_error_rename():
-    # see gh-12665
-    from pandas.errors import ParserError
-    from pandas.io.common import CParserError
-
-    try:
-        raise CParserError()
-    except ParserError:
-        pass
-
-    try:
-        raise ParserError()
-    except CParserError:
-        pass
-
-
 class Foo:
     @classmethod
     def classmethod(cls):