_serialize_ndarray_container: raise TypeError for non-object-arrays

Author: inducer

arraycontext/container/__init__.py

@@ -202,7 +202,7 @@ def get_container_context(ary: ArrayContainer) -> Optional[ArrayContext]:
 @serialize_container.register(np.ndarray)
 def _serialize_ndarray_container(ary: np.ndarray) -> Iterable[Tuple[Any, Any]]:
     if ary.dtype.char != "O":
-        raise ValueError(
+        raise TypeError(
                 f"cannot seriealize '{type(ary).__name__}' with dtype '{ary.dtype}'")
 
     # special-cased for speed

test/test_arraycontext.py

@@ -904,7 +904,7 @@ def test_numpy_conversion(actx_factory):
     with pytest.raises(TypeError):
         from_numpy(ac_actx, actx)
 
-    with pytest.raises(ValueError):
+    with pytest.raises(TypeError):
         to_numpy(ac, actx)
 
 # }}}