style: apply ruff format to copilot_quota and test_copilot_quota

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

headroom/subscription/copilot_quota.py

@@ -276,7 +276,9 @@ class _CopilotQuotaTracker:
 
         try:
             async with aiohttp.ClientSession() as session:
-                async with session.get(url, headers=headers, timeout=aiohttp.ClientTimeout(total=10)) as resp:
+                async with session.get(
+                    url, headers=headers, timeout=aiohttp.ClientTimeout(total=10)
+                ) as resp:
                     if resp.status == 401:
                         with self._lock:
                             self._state.last_error = "unauthorized — check GITHUB_TOKEN"

tests/test_copilot_quota.py

@@ -150,11 +150,7 @@ class TestParseCopilotQuota:
         assert snap.categories["chat"].remaining == 75
 
     def test_unlimited_category(self):
-        data = {
-            "quota_snapshots": {
-                "completions": {"unlimited": True}
-            }
-        }
+        data = {"quota_snapshots": {"completions": {"unlimited": True}}}
         snap = parse_copilot_quota(data)
         assert snap.categories["completions"].unlimited is True
 
@@ -207,31 +203,56 @@ class TestParseCopilotQuota:
 
 class TestDiscoverGithubToken:
     def test_returns_none_when_no_env_vars(self, monkeypatch):
-        for var in ["GITHUB_COPILOT_GITHUB_TOKEN", "GITHUB_TOKEN", "COPILOT_GITHUB_TOKEN", "GITHUB_COPILOT_API_TOKEN"]:
+        for var in [
+            "GITHUB_COPILOT_GITHUB_TOKEN",
+            "GITHUB_TOKEN",
+            "COPILOT_GITHUB_TOKEN",
+            "GITHUB_COPILOT_API_TOKEN",
+        ]:
             monkeypatch.delenv(var, raising=False)
         assert discover_github_token() is None
 
     def test_picks_up_github_token(self, monkeypatch):
-        for var in ["GITHUB_COPILOT_GITHUB_TOKEN", "GITHUB_TOKEN", "COPILOT_GITHUB_TOKEN", "GITHUB_COPILOT_API_TOKEN"]:
+        for var in [
+            "GITHUB_COPILOT_GITHUB_TOKEN",
+            "GITHUB_TOKEN",
+            "COPILOT_GITHUB_TOKEN",
+            "GITHUB_COPILOT_API_TOKEN",
+        ]:
             monkeypatch.delenv(var, raising=False)
         monkeypatch.setenv("GITHUB_TOKEN", "ghp_testtoken123")
         assert discover_github_token() == "ghp_testtoken123"
 
     def test_prefers_copilot_specific_token(self, monkeypatch):
-        for var in ["GITHUB_COPILOT_GITHUB_TOKEN", "GITHUB_TOKEN", "COPILOT_GITHUB_TOKEN", "GITHUB_COPILOT_API_TOKEN"]:
+        for var in [
+            "GITHUB_COPILOT_GITHUB_TOKEN",
+            "GITHUB_TOKEN",
+            "COPILOT_GITHUB_TOKEN",
+            "GITHUB_COPILOT_API_TOKEN",
+        ]:
             monkeypatch.delenv(var, raising=False)
         monkeypatch.setenv("GITHUB_COPILOT_GITHUB_TOKEN", "ghp_copilot_specific")
         monkeypatch.setenv("GITHUB_TOKEN", "ghp_generic")
         assert discover_github_token() == "ghp_copilot_specific"
 
     def test_falls_through_to_next_env_var(self, monkeypatch):
-        for var in ["GITHUB_COPILOT_GITHUB_TOKEN", "GITHUB_TOKEN", "COPILOT_GITHUB_TOKEN", "GITHUB_COPILOT_API_TOKEN"]:
+        for var in [
+            "GITHUB_COPILOT_GITHUB_TOKEN",
+            "GITHUB_TOKEN",
+            "COPILOT_GITHUB_TOKEN",
+            "GITHUB_COPILOT_API_TOKEN",
+        ]:
             monkeypatch.delenv(var, raising=False)
         monkeypatch.setenv("COPILOT_GITHUB_TOKEN", "ghp_copilot")
         assert discover_github_token() == "ghp_copilot"
 
     def test_ignores_empty_strings(self, monkeypatch):
-        for var in ["GITHUB_COPILOT_GITHUB_TOKEN", "GITHUB_TOKEN", "COPILOT_GITHUB_TOKEN", "GITHUB_COPILOT_API_TOKEN"]:
+        for var in [
+            "GITHUB_COPILOT_GITHUB_TOKEN",
+            "GITHUB_TOKEN",
+            "COPILOT_GITHUB_TOKEN",
+            "GITHUB_COPILOT_API_TOKEN",
+        ]:
             monkeypatch.delenv(var, raising=False)
         monkeypatch.setenv("GITHUB_COPILOT_GITHUB_TOKEN", "")
         monkeypatch.setenv("GITHUB_TOKEN", "ghp_valid")