fix: wrap long line in Python docstring

Author: jmoseley

python/copilot/session.py

@@ -59,7 +59,8 @@ def __init__(self, session_id: str, client: Any, workspace_path: Optional[str] =
         Args:
             session_id: The unique identifier for this session.
             client: The internal client connection to the Copilot CLI.
-            workspace_path: Path to the session workspace directory (when infinite sessions enabled).
+            workspace_path: Path to the session workspace directory
+                (when infinite sessions enabled).
         """
         self.session_id = session_id
         self._client = client