def is_object_dtype(arr_or_dtype):
return _is_dtype_type(arr_or_dtype, classes(np.object_))<EOL>
Check whether an array-like or dtype is of the object dtype.

Parameters
----------
arr_or_dtype : array-like
    The array-like or dtype to check.

Returns
-------
boolean
    Whether or not the array-like or dtype is of the object dtype.

Examples
--------
>>> is_object_dtype(object)
True
>>> is_object_dtype(int)
False
>>> is_object_dtype(np.array([], dtype=object))
True
>>> is_object_dtype(np.array([], dtype=int))
False
>>> is_object_dtype([1, 2, 3])
False