Python36\lib\site-packages\tensorflow\python\training\optimizer.py", line 543, in _assert_valid_dtypesAttributeError: 'NoneType' object has no attribute 'dtype'
但是,当我运行model.fit()时,总是出现一个错误: AttributeError:'NoneType‘对象没有'dtype’属性。tensorflow_core\python\keras\engine\training.py", line 3023, in create_training_target
self.loss_fn, K.dtype\anaconda\envs\tensorflow\lib\site-packag
apply_driver_hacks11:58:18 web.1 | AttributeError: 'NoneType' object has no attribute 'drivername'
从我在网上找到的信息来看,问题似乎是我可能没有正确地连接到数据库。flask_sqlalchemy/__init__.py", line 7