适配版本号

mmcv/version.py

 # Copyright (c) OpenMMLab. All rights reserved.
 __version__ = '2.0.0'
-
+__dcu_version__ = '2.0.0'
 
 def parse_version_info(version_str: str, length: int = 4) -> tuple:
     """Parse a version string into a tuple.
@@ -32,4 +32,4 @@ def parse_version_info(version_str: str, length: int = 4) -> tuple:
 
 version_info = tuple(int(x) for x in __version__.split('.')[:3])
 
-__all__ = ['__version__', 'version_info', 'parse_version_info']
+__all__ = ['__version__', '__dcu_version__', 'version_info', 'parse_version_info']