fix version error

Author: jxchen01

mmv_im2im/__init__.py

@@ -6,7 +6,7 @@
 __email__ = "jianxuchen.ai@gmail.com"
 # Do not edit this string manually, always use bumpversion
 # Details in CONTRIBUTING.md
-__version__ = "0.7.1"
+__version__ = "0.8.0"
 
 
 def get_module_version():