Remove unused inheritance

nabu/cuda/kernel.py

@@ -2,7 +2,7 @@ from ..utils import updiv
 import pycuda.gpuarray as garray
 from pycuda.compiler import SourceModule
 
-class CudaKernel(object):
+class CudaKernel:
     """
     Helper class that wraps CUDA kernel through pycuda SourceModule.