Merge pull request #388 from TheBigS/bugfix-vte-racecondition

Fixed race condition when calling grab_focus after underlying vte could be closed

terminatorlib/terminal.py

@@ -1244,7 +1244,7 @@ def get_location(self, term, x, y):
 
     def grab_focus(self):
         """Steal focus for this terminal"""
-        if not self.vte.has_focus():
+        if self.vte and not self.vte.has_focus():
             self.vte.grab_focus()
 
     def ensure_visible_and_focussed(self):