diff --git a/IPython/external/qt_loaders.py b/IPython/external/qt_loaders.py
index 1bc855c..7cb90d8 100644
--- a/IPython/external/qt_loaders.py
+++ b/IPython/external/qt_loaders.py
@@ -34,17 +34,17 @@ class ImportDenier(object):
         sys.modules.pop(module_name, None)
         self.__forbidden.add(module_name)
 
-    def find_module(self, mod_name, pth):
-        if pth:
+    def find_module(self, fullname, path=None):
+        if path:
             return
-        if mod_name in self.__forbidden:
+        if fullname in self.__forbidden:
             return self
 
-    def load_module(self, mod_name):
+    def load_module(self, fullname):
         raise ImportError("""
     Importing %s disabled by IPython, which has
     already imported an Incompatible QT Binding: %s
-    """ % (mod_name, loaded_api()))
+    """ % (fullname, loaded_api()))
 
 ID = ImportDenier()
 sys.meta_path.append(ID)