Reformat codes

tasks/__init__.py

@@ -1,8 +1,6 @@
 # -*- coding=utf-8 -*-
 # Copied from pip's vendoring process
 # see https://github.com/pypa/pip/blob/95bcf8c5f6394298035a7332c441868f3b0169f4/tasks/__init__.py
-import re
-
 from pathlib import Path
 
 import invoke

tasks/release.py

@@ -3,7 +3,6 @@ import datetime
 import os
 import pathlib
 import re
-import sys
 
 import invoke
 
@@ -240,8 +239,6 @@ def bump_version(ctx, dry_run=False, dev=False, pre=False, tag=None, commit=Fals
     current_version = Version.parse(__version__)
     today = datetime.date.today()
     tomorrow = today + datetime.timedelta(days=1)
-    next_month = datetime.date.today().replace(month=today.month + 1, day=1)
-    next_year = datetime.date.today().replace(year=today.year + 1, month=1, day=1)
     if pre and not tag:
         print('Using "pre" requires a corresponding tag.')
         return

tasks/vendoring/__init__.py

@@ -41,7 +41,7 @@ LIBRARY_DIRNAMES = {
     'enum': 'backports/enum'
 }
 
-PY2_DOWNLOAD = ['enum34',]
+PY2_DOWNLOAD = ['enum34']
 
 # from time to time, remove the no longer needed ones
 HARDCODED_LICENSE_URLS = {
@@ -93,7 +93,6 @@ LICENSE_RENAMES = {
 }
 
 
-
 def drop_dir(path):
     if path.exists() and path.is_dir():
         shutil.rmtree(str(path), ignore_errors=True)
@@ -379,7 +378,6 @@ def vendor(ctx, vendor_dir, package=None, rewrite=True):
     post_install_cleanup(ctx, vendor_dir)
     # Detect the vendored packages/modules
     vendored_libs = detect_vendored_libs(_get_vendor_dir(ctx))
-    patched_libs = detect_vendored_libs(_get_patched_dir(ctx))
     log("Detected vendored libraries: %s" % ", ".join(vendored_libs))
 
     # Apply pre-patches
@@ -509,14 +507,6 @@ def download_licenses(
         new_requirements_file = fh.name
     new_requirements_file = Path(new_requirements_file)
     log(requirements)
-    requirement = "-r {0}".format(new_requirements_file.as_posix())
-    if package:
-        if not only:
-            # for packages we want to add to the requirements file
-            requirement = _ensure_package_in_requirements(ctx, requirements_file, package)
-        else:
-            # for packages we want to get the license for by themselves
-            requirement = package
     tmp_dir = vendor_dir / '__tmp__'
     # TODO: Fix this whenever it gets sorted out (see https://github.com/pypa/pip/issues/5739)
     cmd = "pip download --no-binary :all: --only-binary requests_download --no-deps"

tasks/vendoring/vendor_passa.py

@@ -2,7 +2,7 @@ import invoke
 
 from pipenv._compat import TemporaryDirectory
 
-from . import _get_git_root, _get_vendor_dir, log
+from . import _get_vendor_dir, log
 
 
 @invoke.task