Remove unused variable (PyChecker)

Lib/gopherlib.py

@@ -169,7 +169,6 @@ def test():
     selector = DEF_SELECTOR
     type = selector[0]
     host = DEF_HOST
-    port = DEF_PORT
     if args:
         host = args[0]
         args = args[1:]

Lib/pstats.py

@@ -185,7 +185,6 @@ class Stats:
         """Expand all abbreviations that are unique."""
         if not self.sort_arg_dict:
             self.sort_arg_dict = dict = {}
-            std_list = dict.keys()
             bad_list = {}
             for word in self.sort_arg_dict_default.keys():
                 fragment = word

Lib/rfc822.py

@@ -633,7 +633,6 @@ class AddrlistClass:
                 expectroute = 1
             elif self.field[self.pos] == ':':
                 self.pos = self.pos + 1
-                expectaddrspec = 1
             else:
                 adlist = self.getaddrspec()
                 self.pos = self.pos + 1