ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 779, in _read_bytes
    data = self._rfile.read(num_bytes)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\socket.py", line 705, in readinto
    return self._sock.recv_into(b)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 488, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 448, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 739, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 785, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query ([WinError 10053] 你的主机中的软件中止了一个已建立的连接。)')
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 803, in _write_bytes
    self._sock.sendall(data)
ConnectionAbortedError: [WinError 10053] 你的主机中的软件中止了一个已建立的连接。

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 487, in rollback
    self._execute_command(COMMAND.COM_QUERY, "ROLLBACK")
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 861, in _execute_command
    self._write_bytes(packet)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 806, in _write_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2006, "MySQL server has gone away (ConnectionAbortedError(10053, '你的主机中的软件中止了一个已建立的连接。', None, 10053, None))")
ERROR:sqlalchemy.pool.impl.QueuePool:Exception during reset or similar
Traceback (most recent call last):
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 988, in _finalize_fairy
    fairy._reset(
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\pool\base.py", line 1436, in _reset
    pool._dialect.do_rollback(self)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\sqlalchemy\engine\default.py", line 691, in do_rollback
    dbapi_connection.rollback()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 480, in rollback
    self._read_ok_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 443, in _read_ok_packet
    pkt = self._read_packet()
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 692, in _read_packet
    packet_header = self._read_bytes(4)
  File "C:\Users\Daniel\anaconda3\envs\Quant\lib\site-packages\pymysql\connections.py", line 748, in _read_bytes
    raise err.OperationalError(
pymysql.err.OperationalError: (2013, 'Lost connection to MySQL server during query')