Bump for development

pradyunsg · pradyunsg · commit 4502aba79929 · 2020-04-21T00:31:45.000+05:30
diff --git a/src/pip/__init__.py b/src/pip/__init__.py
@@ -4,7 +4,7 @@
     from typing import List, Optional
 
 
-__version__ = "20.1b1"
+__version__ = "20.1.dev1"
 
 
 def main(args=None):
