Merge pull request #887 from mattrose/fix-tb

fix traceback in layout_done

Author: mattrose

terminatorlib/terminator.py

@@ -331,7 +331,8 @@ def layout_done(self):
                 # For windows without a notebook ensure Terminal is visible and focused
                 if window_last_active_term_mapping[window]:
                     term = self.find_terminal_by_uuid(window_last_active_term_mapping[window].urn)
-                    term.ensure_visible_and_focussed()
+                    if term:
+                        term.ensure_visible_and_focussed()
 
         # Build list of new windows using prelayout list
         new_win_list = []