qteasy/database.py
def info(self):
        """ print out information of current object

        :return:
        """
        raise NotImplementedError
 print out information of current object

        :return:
        
print out information of current object
print out information of current object
def info(self):
        raise NotImplementedError
def info ( self ) : raise NotImplementedError
print out information of current object
print out information of current object
""" print out information of current object

        :return:
        """
None
self