more efficient check

Author: SpoopyPillow

pandas/core/dtypes/cast.py

@@ -1919,9 +1919,9 @@ def np_can_hold_element(dtype: np.dtype, element: Any) -> Any:
                 return element
             # GH 57338
             # Check boolean array set as object type
-            comp = [lib.is_bool(e) for e in np.array([element]).ravel()]
-            if all(comp):
-                return element.astype("bool")
+            if tipo.kind == "O" and isinstance(element, np.ndarray):
+                if all(lib.is_bool(e) for e in element):
+                    return element.astype("bool")
             raise LossySetitemError
 
         if lib.is_bool(element):