def sqrt(self, a):
        return python_sqrt(a)
Creates a new article using a custom form class with a save method
dataset/ETHPy150Open sympy/sympy/sympy/polys/domains/pythonintegerring.py/PythonIntegerRing.sqrt--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.3/tests/regressiontests/views/tests/generic/create_update.py/CreateObjectTest.test_create_custom_save_article