from pip._internal.distributions.base import AbstractDistribution
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from pip._internal.utils.typing import MYPY_CHECK_RUNNING
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if MYPY_CHECK_RUNNING:
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from typing import Optional
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from pip._vendor.pkg_resources import Distribution
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from pip._internal.index.package_finder import PackageFinder
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class InstalledDistribution(AbstractDistribution):
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"""Represents an installed package.
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This does not need any preparation as the required information has already
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been computed.
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"""
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def get_pkg_resources_distribution(self):
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# type: () -> Optional[Distribution]
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return self.req.satisfied_by
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def prepare_distribution_metadata(self, finder, build_isolation):
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# type: (PackageFinder, bool) -> None
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pass
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