More PySide compatibility fixes.

IPython/frontend/qt/console/call_tip_widget.py

@@ -36,7 +36,7 b' class CallTipWidget(QtGui.QLabel):'
         self.setMargin(1 + self.style().pixelMetric(
                 QtGui.QStyle.PM_ToolTipLabelFrameWidth, None, self))
         self.setWindowOpacity(self.style().styleHint(
-                QtGui.QStyle.SH_ToolTipLabel_Opacity, None, self) / 255.0)
+                QtGui.QStyle.SH_ToolTipLabel_Opacity, None, self, None) / 255.0)
 
     def eventFilter(self, obj, event):
         """ Reimplemented to hide on certain key presses and on text edit focus

IPython/frontend/qt/console/ipython_widget.py

@@ -1,9 +1,5 b''
 """ A FrontendWidget that emulates the interface of the console IPython and
     supports the additional functionality provided by the IPython kernel.
-
-    TODO: Add support for retrieving the system default editor. Requires code
-          paths for Windows (use the registry), Mac OS (use LaunchServices), and
-          Linux (use the xdg system).
 """
 
 #-----------------------------------------------------------------------------
@@ -484,7 +480,7 b' class IPythonWidget(FrontendWidget):'
         if self._page_control:
             self._page_control.document().setDefaultStyleSheet(self.style_sheet)
 
-        bg_color = self._control.palette().background().color()
+        bg_color = self._control.palette().window().color()
         self._ansi_processor.set_background_color(bg_color)
 
     def _syntax_style_changed(self):