ERROR: No registered converter was able to produce a C++ rvalue of type unsigned int from this Python object of type float

[deimsdeutsch]

E:\github\Object-Tracking-PyCUDA>python OTVA_PYCUDA.py
OTVA_PYCUDA.py:101: UserWarning: The CUDA compiler succeeded, but said the following:
kernel.cu

mod = compiler.SourceModule(kernel_code)
Window 1 histogram cpu time is 0.05217933654785156
Window 2 histogram cpu time is 0.039226531982421875
C:\Program Files\Python36\lib\site-packages\pycuda\elementwise.py:75: UserWarning: The CUDA compiler succeeded, but said the following:
kernel.cu

options=options, keep=keep)
Traceback (most recent call last):
File "OTVA_PYCUDA.py", line 182, in
given_hist(img_gpu1, bin_gpu1, block=(1, 1, 1), grid=(h1 * w1 / 96, 1, 1))
File "C:\Program Files\Python36\lib\site-packages\pycuda\driver.py", line 402, in function_call
func._launch_kernel(grid, block, arg_buf, shared, None)
TypeError: No registered converter was able to produce a C++ rvalue of type unsigned int from this Python object of type float