

def _functions(expr, x):
    ' Find the types of functions in expr, to estimate the complexity. '
    from sympy import Function
    return set((e.func for e in expr.atoms(Function) if (x in x.free_symbols)))

dataset/ETHPy150Open sympy/sympy/sympy/integrals/meijerint.py _functions/VarMisuse@39/68 `e`->`x`