Fix formatting and linting

src/gh_pr_upsert/git.py

@@ -1,4 +1,5 @@
 """Helpers for working with Git and GitHub."""
+
 from dataclasses import dataclass, field
 from functools import cache
 from subprocess import CalledProcessError

src/gh_pr_upsert/run.py

@@ -1,4 +1,5 @@
 """Helper functions for running subprocesses."""
+
 import json as json_
 import os
 import subprocess

tests/unit/gh_pr_upsert/git_test.py

@@ -327,7 +327,6 @@ def test_it(self, run):
 def clear_caches():
     yield
 
-    # pylint:disable=no-member
     branch_exists.cache_clear()
     configured_user.cache_clear()
     current_branch.cache_clear()