code: def unblock(self, event):
          '''
          Remove a block 
          '''
          if event not in self.blockEvents:
              return
          self.blockEvents[event].unblock(event)
          del self.blockEvents[eventf unblock(self, event):
          '''
          Remove a block 
          '''
          if event not in self.blockEvents:
              return
          self.blockEvents[event].unblock(event)
          del self.blockEvents[event]
docs: Remove a block