Fix sizing

1 files changed, 6 insertions, 4 deletions

diff --git a/view.py b/view.py
index 3e5e02e..ed4f884 100644
--- a/view.py
+++ b/view.py
@@ -138,11 +138,13 @@ class NewThoughtTool(HandleTool):
     def on_button_release(self, context, event):
         logging.debug('NewThoughtTool.ungrab_handle')
 
-        context.view.canvas.remove(self._new_connection)
-        self._new_connection = None
+        if self._new_connection is not None:
+            context.view.canvas.remove(self._new_connection)
+            self._new_connection = None
+
+            context.view.model.create_new_thought(x=event.x, y=event.y,
+                                                  parent_id=self._parent_thought.id)
 
-        context.view.model.create_new_thought(x=event.x, y=event.y,
-                                              parent_id=self._parent_thought.id)
         HandleTool.on_button_release(self, context, event)
 
     def move(self, view, item, handle, pos):