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