message: don't generate pyc files
diff: @@ -191,7 +191,7 @@ fn build_wrapper(opencv: pkg_config::Library) -> Result<(), Box<dyn Error>> {
  modules.par_iter_mut().for_each(|module| {
  if !Command::new("python3")
  - .args(&["gen_rust.py", "hdr_parser.py", out_dir_as_str, out_dir_as_str, &module.0])
  + .args(&["-B", "gen_rust.py", "hdr_parser.py", out_dir_as_str, out_dir_as_str, &module.0])
  .args(
  &(module
  .1
  @@ -243,9 +243,6 @@ fn build_wrapper(opencv: pkg_config::Library) -> Result<(), Box<dyn Error>> {
  }
  }
  - let _ = fs::remove_file("gen_rust.pyc");
  - let _ = fs::remove_file("hdr_parser.pyc");
  -
  {
  let mut hub_return_types = File::create(out_dir.join("return_types.h"))?;
  for entry in glob(&format!("{}/cv_return_value_*.type.h", out_dir_as_str))? {
  