PEP 8 whitespace, remove unused assignment

evennia/server/portal/ttype.py

@@ -27,6 +27,7 @@ MTTS = [(128, 'PROXY'),
         (2, 'VT100'),
         (1, 'ANSI')]
 
+
 class Ttype(object):
     """
     Handles ttype negotiations. Called and initiated by the
@@ -104,7 +105,6 @@ class Ttype(object):
             # use name to identify support for xterm256. Many of these
             # only support after a certain version, but all support
             # it since at least 4 years. We assume recent client here for now.
-            xterm256 = False
             cupper = clientname.upper()
             if cupper.startswith("MUDLET"):
                 # supports xterm256 stably since 1.1 (2010?)