gui: remove PyQt5 assertion (break mock modules)

sbourdeauducq · sbourdeauducq · commit ab1d85be53d2 · 2016-02-14T14:03:57.000+01:00
diff --git a/artiq/frontend/artiq_gui.py b/artiq/frontend/artiq_gui.py
@@ -7,7 +7,6 @@
 
 import PyQt5
 from quamash import QEventLoop, QtGui, QtCore
-assert QtGui is PyQt5.QtGui
 # pyqtgraph will pick up any already imported Qt binding.
 from pyqtgraph import dockarea
 
