--- plugins/org.python.pydev.shared_ui/src/org/python/pydev/shared_ui/outline/BaseModel.java.orig	2018-06-25 11:00:03.153729818 +0100
+++ plugins/org.python.pydev.shared_ui/src/org/python/pydev/shared_ui/outline/BaseModel.java	2018-06-25 11:03:33.331076645 +0100
@@ -153,6 +153,10 @@
      * Replaces current root
      */
     public void setRoot(IParsedItem newRoot) {
+        if (disposed) {
+            // Don't try to do anything if we are already disposed
+            return;
+        }
         // We'll try to do the 'least flicker replace'
         // compare the two root structures, and tell outline what to refresh
         onModelChanged.call(this);
@@ -185,12 +189,7 @@
                 }
 
             } else {
-                if (disposed) {
-                    Log.logInfo("It seems it's already disposed...");
-
-                } else {
-                    Log.logInfo("No old model root?");
-                }
+                Log.logInfo("No old model root?");
             }
         } catch (Throwable e) {
             Log.log(e);