[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

tests/unit/config/test___main__.py

@@ -9,7 +9,9 @@
 
 
 def test_main():
-    process = Popen([sys.executable, "-m", "virtualenv", "--help"], universal_newlines=True, stdout=PIPE, encoding="utf-8")
+    process = Popen(
+        [sys.executable, "-m", "virtualenv", "--help"], universal_newlines=True, stdout=PIPE, encoding="utf-8"
+    )
     out, _ = process.communicate()
     assert not process.returncode
     assert out