chore: docstring

surfaced when running `prek` one last time.

Author: mvexel

tests/test_local_offline.py

@@ -1587,7 +1587,14 @@ def test_osm_filters() -> None:
 
 
 def test_pbf(monkeypatch: pytest.MonkeyPatch) -> None:
-    """Test loading a graph from fake PBF data."""
+    """
+    Test loading a graph from fake PBF data.
+
+    Parameters
+    ----------
+    monkeypatch
+        Pytest fixture used to swap in a fake osmium module.
+    """
     monkeypatch.setattr(pbf, "osmium", _FakeOsmium)
     G = ox.graph_from_pbf("fake.osm.pbf", network_type="walk", simplify=False, retain_all=True)
     response_json = pbf._overpass_json_from_pbf(