qteasy/database.py
def highest_freq(self):
        """ return the highest frequency of data

        :return:
        """
        return None
 return the highest frequency of data

        :return:
        
return the highest frequency of data
return the highest frequency of data
def highest_freq(self):
        return None
def highest_freq ( self ) : return None
return the highest frequency of data
return the highest frequency of data
""" return the highest frequency of data

        :return:
        """
None
self