experiment with removing v = None

This attempts to get at mypy/config_parser.py:620: error: Incompatible types in assignment (expression has type tuple[int, int], variable has type Optional[bool])  [assignment]

however, I think this leaves v undefined in the else path, which is bad

Author: wyattscarpenter

mypy/config_parser.py

@@ -600,7 +600,6 @@ def parse_section(
                 else:
                     continue
             ct = type(dv)
-        v = None
         try:
             if ct is bool:
                 # ConfigParser has an equivalent (but poorly-stubbed) getboolean method,