_mysql_exceptions.OperationalError: (1205, 'Lock wait timeout exceeded; try restarting transaction')

_ mysql _异常。操作错误:(1205， # 039；超过锁定等待超时；尝试重启交易 # 039；)_ mysql _异常。操作错误:(1205， # 039；超过锁定等待超时；尝试重启交易 # 039；简介:conn. execute many (SQL，tmp)file " build/bdist . Linux-x86 _ 64/egg/MySQLdb/cursors . py quot；，第22行