Upgrade black rules

pipenv/utils/fileutils.py

@@ -1,4 +1,5 @@
 """A collection for utilities for working with files and paths."""
+
 import atexit
 import io
 import os

pipenv/utils/funktools.py

@@ -1,6 +1,7 @@
 """
 A small collection of useful functional tools for working with iterables.
 """
+
 import errno
 import locale
 import os

pipenv/utils/indexes.py

@@ -90,9 +90,11 @@ def get_source_list(
 
     if pypi_mirror:
         sources = [
-            create_mirror_source(pypi_mirror, source["name"])
-            if is_pypi_url(source["url"])
-            else source
+            (
+                create_mirror_source(pypi_mirror, source["name"])
+                if is_pypi_url(source["url"])
+                else source
+            )
             for source in sources
         ]
     return sources

pipenv/utils/resolver.py

@@ -85,7 +85,6 @@ def get_package_finder(
 
 
 class HashCacheMixin:
-
     """Caches hashes of PyPI artifacts so we do not need to re-download them.
 
     Hashes are only cached when the URL appears to contain a hash in it and the