Traceback (most recent call last):
File "D:\zg4\YQ\Lib\site-packages\pymysql\connections.py", line 649, in connect
sock = socket.create_connection(
^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\socket.py", line 829, in create_connection
for res in getaddrinfo(host, port, 0, SOCK_STREAM):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\socket.py", line 964, in getaddrinfo
for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
socket.gaierror: [Errno 11001] getaddrinfo failed
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\engine\base.py", line 146, in __init__
self._dbapi_connection = engine.raw_connection()
^^^^^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\engine\base.py", line 3300, in raw_connection
return self.pool.connect()
^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\pool\base.py", line 449, in connect
return _ConnectionFairy._checkout(self)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\pool\base.py", line 1263, in _checkout
fairy = _ConnectionRecord.checkout(pool)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\pool\base.py", line 712, in checkout
rec = pool._do_get()
^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\pool\impl.py", line 179, in _do_get
with util.safe_reraise():
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\util\langhelpers.py", line 146, in __exit__
raise exc_value.with_traceback(exc_tb)
File "D:\zg4\YQ\Lib\site-packages\sqlalchemy\pool\impl.py", line 177, in _do_get
return self._create_connection()
^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\zg4\YQ\Lib\site-packages\