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

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

Author: pre-commit-ci[bot]

packages/jupyter-ai/jupyter_ai/tests/completions/test_handlers.py

@@ -26,9 +26,9 @@ def __init__(self, **kwargs):
         if "responses" not in kwargs:
             kwargs["responses"] = ["Test response"]
         super().__init__(**kwargs)
-    
+
     async def _acall(self, *args, **kwargs):
-        if hasattr(self, 'raise_exc') and self.raise_exc:
+        if hasattr(self, "raise_exc") and self.raise_exc:
             raise Exception("Test exception")
         else:
             return super()._call(*args, **kwargs)