#NEWLINE# def deactivate_mfa_device( self , user_name , serial_number ) : #NEWLINE# #INDENT# '\n        Deactivates the specified MFA device and removes it from\n        association with the user.\n\n        :type user_name: string\n        :param user_name: The username of the user\n        \n        :type serial_number: string\n        :param seriasl_number: The serial number which uniquely identifies\n                               the MFA device.\n\n        ' #NEWLINE# params = { #NEWLINE# #INDENT# 'UserName' : user_name , #NEWLINE# 'SerialNumber' : serial_number , #NEWLINE# #UNINDENT# } #NEWLINE# return self . get_response ( 'DeactivateMFADevice' , serial_number )