@staticmethod
def verify_parameters(params):
    'Verify that dict values are set'
    for key in params.keys():
        if (params[key] is None):
            raise TypeError(('%s not set' % key))
Verify that dict values are set
@staticmethod
def verify_parameters(params):
    
    for key in params.keys():
        if (params[key] is None):
            raise TypeError(('%s not set' % key))