Traceback (most recent call last):
File "C:\Anaconda3\lib\site-packages\vnpy_datarecorder\ui\widget.py", line 157, in process_exception_event
raise exc_info[1].with_traceback(exc_info[2])
File "C:\Anaconda3\lib\site-packages\vnpy_datarecorder\engine.py", line 86, in run
self.database.save_bar_data(data)
File "C:\Anaconda3\lib\site-packages\vnpy_mongodb\mongodb_database.py", line 136, in save_bar_data
self.overview_collection.update(filter, overview, upsert=True)
File "C:\Anaconda3\lib\site-packages\pymongo\collection.py", line 2587, in call
self.__name.split(".")[-1])
TypeError: 'Collection' object is not callable. If you meant to call the 'update' method on a 'Collection' object it is failing because no such method exists.