fix docstring

Author: douglasdavis

pandas/core/arrays/base.py

@@ -1955,7 +1955,8 @@ def _explode(self) -> tuple[Self, npt.NDArray[np.uint64]]:
         Examples
         --------
         >>> import pyarrow as pa
-        >>> a = pd.array([[1, 2, 3], [4], [5, 6]], dtype=pd.ArrowDtype(pa.list_(pa.int64())))
+        >>> a = pd.array([[1, 2, 3], [4], [5, 6]],
+        ...              dtype=pd.ArrowDtype(pa.list_(pa.int64())))
         >>> a._explode()
         (<ArrowExtensionArray>
         [1, 2, 3, 4, 5, 6]