Move ImportDenier to the front of sys.meta_path

takluyver · takluyver · commit f312a95c8755 · 2017-01-13T14:09:10.000Z
Closes gh-9829
diff --git a/IPython/external/qt_loaders.py b/IPython/external/qt_loaders.py
@@ -57,7 +57,7 @@ def load_module(self, fullname):
     """ % (fullname, loaded_api()))
 
 ID = ImportDenier()
-sys.meta_path.append(ID)
+sys.meta_path.insert(0, ID)
 
 
 def commit_api(api):
