bpo-33908: Remove two superfluous assignments (GH-7116)

Signed-off-by: Srinivas Reddy Thatiparthy <thatiparthysreenivas@gmail.com>

Lib/plistlib.py

@@ -644,7 +644,6 @@ class _BinaryPlistParser:
         elif tokenH == 0x50:  # ascii string
             s = self._get_size(tokenL)
             result =  self._fp.read(s).decode('ascii')
-            result = result
 
         elif tokenH == 0x60:  # unicode string
             s = self._get_size(tokenL)

Tools/demo/redemo.py

@@ -96,7 +96,6 @@ class ReDemo:
         flags = 0
         for var in self.vars:
             flags = flags | var.get()
-        flags = flags
         return flags
 
     def recompile(self, event=None):