message: Solve the import issue in Python2.
diff: @@ -39,7 +39,7 @@ def bootstrap():
  l_vars = locals()
  if sys.version_info[:2] < (3, 0):
  - from cv2.load_config_py2 import exec_file_wrapper
  + from . load_config_py2 import exec_file_wrapper
  else:
  from . load_config_py3 import exec_file_wrapper
  