如何修复此错误：### 第四次尝试 from sqlalchemy import create_engine user = ‘*****’ pasw = ‘*****’ host = ‘TD’
# connecttd_engine = create_engine('teradata://' + user + ':' + pasw + '@' + host + ':22/')from sqlalchemy import create_engine
engine = create_engine(‘sqlite:///:memory:’, echo=True) user = ‘****’ pasw = ‘****’ host = ‘TD’
connect td_engine = create_engine(‘teradata://’ + user + ‘:’ + pasw + ‘@’ + host + ‘:22/’) Traceback (most recent call last):
File “”, line 8, in td_engine = create_engine(‘teradata://’ + user + ‘:’ + pasw + ‘@’ + host + ‘:22/’)
File “C:\Users****\AppData\Local\Continuum\Anaconda3\lib\site-packages\sqlalchemy\engine__init__.py”, line 387, in create_engine return strategy.create(*args, **kwargs)
File “C:\Users****\AppData\Local\Continuum\Anaconda3\lib\site-packages\sqlalchemy\engine\strategies.py”, line 56, in create entrypoint = u._get_entrypoint()
File “C:\Users****\AppData\Local\Continuum\Anaconda3\lib\site-packages\sqlalchemy\engine\url.py”, line 139, in _get_entrypoint cls = registry.load(name)
File “C:\Users****\AppData\Local\Continuum\Anaconda3\lib\site-packages\sqlalchemy\util\langhelpers.py”, line 218, in load (self.group, name))
NoSuchModuleError: 无法加载插件：sqlalchemy.dialects:teradata
回答：
在你的序列数据中添加频率。y = y.asfreq(freq=’7d’)
