break ref cycles on destroy

nucleic · Jul 16, 2013 · 03a5e53 · 03a5e53
1 parent 33a0191
commit 03a5e53
Showing 1 changed file with 11 additions and 0 deletions.
diff --git a/enaml/qt/qt_container.py b/enaml/qt/qt_container.py
@@ -171,6 +171,17 @@ def init_cns_layout(self):
             self._refresh = self._build_refresher(manager)
             self._update_sizes()
 
+    def destroy(self):
+        """ An overridden destructor method.
+
+        This method breaks the internal reference cycles maintained
+        by the container.
+
+        """
+        del self._layout_table
+        del self._refresh
+        super(QtContainer, self).destroy()
+
     #--------------------------------------------------------------------------
     # Signal Handlers
     #--------------------------------------------------------------------------