def test_sympy__core__expr__Expr(): from sympy.core.expr import Expr assert _test_args(Expr())
def test_diff_wrt_value(): assert Expr()._diff_wrt is False assert x._diff_wrt is True assert f(x)._diff_wrt is True assert Derivative(f(x), x)._diff_wrt is True assert Derivative(x**2, x)._diff_wrt is False