Use dict.iteritems() instead of ugly syntax.

debexpo/plugins/debtags.py

@@ -110,8 +110,8 @@ class DebtagsPlugin(BasePlugin):
         tags = autotag.get_tags()
         if len(tags) == 0:
             log.debug('No tag found by heuristics.')
-        for pkg in tags:
-            for tag in tags[pkg]:
+        for pkg, tags in tags.iteritems():
+            for tag in tags:
                 self._new_result(Debtag, tag = tag, source = 'autotag',
                                  package = pkg)