message: Enable imshow to take GpuMat inputs in Python
diff: @@ -958,7 +958,9 @@ class CppHeaderParser(object):
  else:
  decls.append(decl)
  - if self._generate_gpumat_decls and "cv.cuda" in decl[0]:
  + if self._generate_gpumat_decls and ("cv.cuda" in decl[0] or decl[0] in [
  + "cv.imshow", # https://github.com/opencv/opencv/issues/18553
  + ]):
  # If function takes as one of arguments Mat or vector<Mat> - we want to create the
  # same declaration working with GpuMat
  args = decl[3]
  