---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-20-e3963ccbcb84> in <module>
----> 1 a_gpu_pad = da.pad(a_gpu, 1, "constant", constant_values=cp.array(0, dtype=a_gpu.dtype))

~/miniconda/envs/img_exp/lib/python3.7/site-packages/dask/array/creation.py in pad(array, pad_width, mode, **kwargs)
   1063         return pad_stats(array, pad_width, mode, *kwargs.values())
   1064     elif mode in ["constant", "edge", "linear_ramp"]:
-> 1065         return pad_edge(array, pad_width, mode, *kwargs.values())
   1066     elif mode in ["reflect", "symmetric", "wrap"]:
   1067         return pad_reuse(array, pad_width, mode, *kwargs.values())

~/miniconda/envs/img_exp/lib/python3.7/site-packages/dask/array/creation.py in pad_edge(array, pad_width, mode, *args)
    830     """
    831 
--> 832     args = tuple(expand_pad_value(array, e) for e in args)
    833 
    834     result = array

~/miniconda/envs/img_exp/lib/python3.7/site-packages/dask/array/creation.py in <genexpr>(.0)
    830     """
    831 
--> 832     args = tuple(expand_pad_value(array, e) for e in args)
    833 
    834     result = array

~/miniconda/envs/img_exp/lib/python3.7/site-packages/dask/array/creation.py in expand_pad_value(array, pad_value)
    774     else:
    775         raise TypeError(
--> 776             "`pad_value` must be composed of integral typed values."
    777         )
    778 

TypeError: `pad_value` must be composed of integral typed values.