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- import sys
- try:
- # Our match_hostname function is the same as 3.5's, so we only want to
- # import the match_hostname function if it's at least that good.
- if sys.version_info < (3, 5):
- raise ImportError("Fallback to vendored code")
- from ssl import CertificateError, match_hostname
- except ImportError:
- try:
- # Backport of the function from a pypi module
- from backports.ssl_match_hostname import CertificateError, match_hostname
- except ImportError:
- # Our vendored copy
- from ._implementation import CertificateError, match_hostname
- # Not needed, but documenting what we provide.
- __all__ = ("CertificateError", "match_hostname")
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