AttributeError: 'NoneType' object has no attribute 'execute' about fake2db HOT 3 CLOSED

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>     parser.add_argument("--passwd", help="OPTIONAL : Pass of root user. ")
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<                     fake_mysql_handler.fake2db_mysql_initiator(host, port, int(args.rows), str(args.name))
---
>                     fake_mysql_handler.fake2db_mysql_initiator(str(args.passwd), host, port, int(args.rows),         str(args.name))
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<                     fake_mysql_handler.fake2db_mysql_initiator(host, port, int(args.rows))
---
>                     fake_mysql_handler.fake2db_mysql_initiator(str(args.passwd), host, port, int(args.rows))

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<     def fake2db_mysql_initiator(self, host, port, number_of_rows, name=None):
---
>     def fake2db_mysql_initiator(self, passwd, host, port, number_of_rows, name=None):
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> 
>         print "PASS: %s" % passwd
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<             cursor, conn = self.database_caller_creator(host, port, name)
---
>             cursor, conn = self.database_caller_creator(passwd, host, port, name)
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<             cursor, conn = self.database_caller_creator(host, port)
---
>             cursor, conn = self.database_caller_creator(passwd, host, port)
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<     def database_caller_creator(self, host, port, name=None):
---
>     def database_caller_creator(self, passwd, host, port, name=None):
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<             conn = mysql.connector.connect(user='root', host=host, port=port)
---
>             conn = mysql.connector.connect(user='root', password=passwd , host=host, port=port)
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<             "CREATE TABLE `simple_registration` ("
---
>             "CREATE TABLE IF NOT EXISTS `simple_registration` ("
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<             "CREATE TABLE `simple_registration` ("
---
>             "CREATE TABLE IF NOT EXISTS `detailed_registration` ("
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<             "CREATE TABLE `user_agent` ("
---
>             "CREATE TABLE IF NOT EXISTS `user_agent` ("
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<             "CREATE TABLE `user_agent` ("
---
>             "CREATE TABLE IF NOT EXISTS `company` ("
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<             "CREATE TABLE `simple_registration` ("
---
>             "CREATE TABLE IF NOT EXISTS `customer` ("
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<                 customer_payload = ("INSERT INTO detailed_registration "
---
>                 customer_payload = ("INSERT INTO customer "