Fix linting errors

poetry/factory.py

@@ -125,8 +125,8 @@ def create_legacy_repository(
         self, source, auth_config
     ):  # type: (Dict[str, str], Config) -> LegacyRepository
         from .repositories.auth import Auth
-        from .repositories.legacy_repository import LegacyRepository
         from .repositories.find_links_repository import FindLinksRepository
+        from .repositories.legacy_repository import LegacyRepository
         from .utils.helpers import get_cert
         from .utils.helpers import get_client_cert
         from .utils.password_manager import PasswordManager

poetry/repositories/legacy_repository.py

@@ -21,7 +21,6 @@
 from poetry.core.semver import parse_constraint
 from poetry.locations import REPOSITORY_CACHE_DIR
 from poetry.utils._compat import Path
-from poetry.utils.helpers import canonicalize_name
 from poetry.utils.patterns import wheel_file_re
 
 from ..inspection.info import PackageInfo
@@ -317,8 +316,6 @@ def package(self, name, version, extras=None):  # type: (...) -> Package
 
             return self._packages[index]
         except ValueError:
-            release_info = self.get_release_info(name, version)
-
             package = super(LegacyRepository, self).package(name, version, extras)
 
             package.source_type = self.repository_type

tests/repositories/test_find_links_repository.py

@@ -136,9 +136,7 @@ def test_get_release_info():
 
     for package_name in TEST_PACKAGES:
         package = repo.find_packages(package_name)[0]
-        info = repo.get_release_info(
-            package_name, package.version.text
-        )
+        info = repo.get_release_info(package_name, package.version.text)
         legacy_info = legacy_repo.get_release_info(package_name, package.version.text)
         assert info.cache_version == legacy_info.cache_version
         assert info.files == legacy_info.files