Index: docs/tools/dump_format_style.py
===================================================================
--- docs/tools/dump_format_style.py
+++ docs/tools/dump_format_style.py
@@ -180,9 +180,9 @@
                            'std::vector<std::string>',
                            'std::vector<IncludeCategory>',
                            'std::vector<RawStringFormat>']:
-      if enums.has_key(option.type):
+      if option.type in enums:
         option.enum = enums[option.type]
-      elif nested_structs.has_key(option.type):
+      elif option.type in nested_structs:
         option.nested_struct = nested_structs[option.type]
       else:
         raise Exception('Unknown type: %s' % option.type)
Index: tools/scan-view/share/startfile.py
===================================================================
--- tools/scan-view/share/startfile.py
+++ tools/scan-view/share/startfile.py
@@ -189,7 +189,7 @@
             return _controllers[controller_name].open
 
         except KeyError:
-            if _controllers.has_key('xdg-open'):
+            if 'xdg-open' in _controllers:
                 return _controllers['xdg-open'].open
             else:
                 return webbrowser.open