def insert(self, doc, synced=False):
        doc.id = self.get_next_id()
        doc.synced = synced
        try:
            self.db.docs.insert(doc)
        except Exception as e:
            raise DatabaseException(e)
        return doc
def playcolors():
  while 1:
    global clearcolor
    clearcolor = [np.random.random(),0,0,0]
    time.sleep(0.1)
    refresh()