run isort via pre-commit hook

docs/docs/configuration.md

@@ -114,7 +114,7 @@ Defaults to `false`.
 
 If set to `true`, the virtualenv wil be created and expected in a folder named `.venv` within the root directory of the project.
 
-If set to `None`, `poetry` will use the virtualenv from the `.venv` directory only if available. 
+If set to `None`, `poetry` will use the virtualenv from the `.venv` directory only if available.
 
 ### `virtualenvs.path`: string
 

poetry/installation/chooser.py

@@ -4,7 +4,6 @@
 from typing import Tuple
 
 from packaging.tags import Tag
-
 from poetry.core.packages.package import Package
 from poetry.core.packages.utils.link import Link
 from poetry.repositories.pool import Pool

poetry/utils/env.py

@@ -17,16 +17,17 @@
 from typing import Tuple
 from typing import Union
 
-import packaging.tags
 import tomlkit
-import virtualenv
 
 from clikit.api.io import IO
+
+import packaging.tags
+import virtualenv
+
 from packaging.tags import Tag
 from packaging.tags import interpreter_name
 from packaging.tags import interpreter_version
 from packaging.tags import sys_tags
-
 from poetry.core.semver import parse_constraint
 from poetry.core.semver.version import Version
 from poetry.core.version.markers import BaseMarker

tests/installation/test_chef.py

@@ -1,5 +1,4 @@
 from packaging.tags import Tag
-
 from poetry.core.packages.utils.link import Link
 from poetry.installation.chef import Chef
 from poetry.utils._compat import Path

tests/installation/test_chooser.py

@@ -3,7 +3,6 @@
 import pytest
 
 from packaging.tags import Tag
-
 from poetry.core.packages.package import Package
 from poetry.installation.chooser import Chooser
 from poetry.repositories.legacy_repository import LegacyRepository

tests/repositories/test_installed_repository.py

@@ -2,15 +2,14 @@
 
 import pytest
 
-from pytest_mock.plugin import MockFixture
-
 from poetry.core.packages import Package
 from poetry.repositories.installed_repository import InstalledRepository
 from poetry.utils._compat import PY36
 from poetry.utils._compat import Path
 from poetry.utils._compat import metadata
 from poetry.utils._compat import zipp
 from poetry.utils.env import MockEnv as BaseMockEnv
+from pytest_mock.plugin import MockFixture
 
 
 FIXTURES_DIR = Path(__file__).parent / "fixtures"