Merge pull request #40 from alxwr/fix-iteritems

iteritems() -> items() (Python 3.6)

Author: aboe76

vim/files/pyflakes/ftplugin/python/pyflakes/pyflakes/checker.py

@@ -557,7 +557,7 @@ def checkUnusedAssignments():
                 """
                 Check to see if any assignments have not been used.
                 """
-                for name, binding in self.scope.iteritems():
+                for name, binding in self.scope.items():
                     if (not binding.used and not name in self.scope.globals
                         and isinstance(binding, Assignment)):
                         self.report(messages.UnusedVariable,