@@ -406,22 +406,22 @@ def entrypoints_txt(self) -> bytes:
406406
407407 @cached_property
408408 def _stable_abi (self ) -> Optional [str ]:
409- if self . _limited_api :
410- # PyPy does not use a special extension module filename
411- # suffix for modules targeting the stable API .
412- if '__pypy__' not in sys .builtin_module_names :
413- # Verify stable ABI compatibility: examine files installed
414- # in {platlib} that look like extension modules, and raise
415- # an exception if any of them has a Python version
416- # specific extension filename suffix ABI tag.
417- for path , _ in self ._manifest ['platlib' ]:
418- match = _EXTENSION_SUFFIX_REGEX .match (path .name )
419- if match :
420- abi = match .group ('abi' )
421- if abi is not None and abi != 'abi3' :
422- raise BuildError (
423- f'The package declares compatibility with Python limited API but extension '
424- f'module { os .fspath (path )!r} )
409+ # PyPy does not use a special extension module filename
410+ # suffix for modules targeting the stable API, and pip does not
411+ # support installing wheels with the abi3 tag .
412+ if self . _limited_api and '__pypy__' not in sys .builtin_module_names :
413+ # Verify stable ABI compatibility: examine files installed
414+ # in {platlib} that look like extension modules, and raise
415+ # an exception if any of them has a Python version
416+ # specific extension filename suffix ABI tag.
417+ for path , _ in self ._manifest ['platlib' ]:
418+ match = _EXTENSION_SUFFIX_REGEX .match (path .name )
419+ if match :
420+ abi = match .group ('abi' )
421+ if abi is not None and abi != 'abi3' :
422+ raise BuildError (
423+ f'The package declares compatibility with Python limited API but extension '
424+ f'module { os .fspath (path )!r} )
425425 return 'abi3'
426426 return None
427427
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