text: import mmcv
  
  from .version import __version__, short_version
  
  
  def digit_version(version_str):
      digit_version = []
      for x in version_str.split('.'):
          if x.isdigit():
              digit_version.append(int(x))
          elif x.find('rc') != -1:
              patch_version = x.split('rc')
              digit_version.append(int(patch_version[0]) - 1)
              digit_version.append(int(patch_version[1]))
      return digit_version
  
  
  mmcv_minimum_version = '1.2.4'
  mmcv_maximum_version = '1.4.0'
  mmcv_version = digit_version(mmcv.__version__)
  
  
  assert (mmcv_version >= digit_version(mmcv_minimum_version)
          and mmcv_version <= digit_version(mmcv_maximum_version)), \
      f'MMCV=={mmcv.__version__} is used but incompatible. ' \
      f'Please install mmcv>={mmcv_minimum_version}, <={mmcv_maximum_version}.'
  
  __all__ = ['__version__', 'short_version']
  