def dup_sign_variations(f, K):
    prev, k = K.zero, 0

    for coeff in f:
        if K.is_negative(coeff*prev):
            k += 1

        if coeff:
            prev = coeff

    return k
This module exploits CVE-2010-0738, which bypasses authentication
dataset/ETHPy150Open sympy/sympy/sympy/polys/densetools.py/dup_sign_variations--crossover with--dataset/ETHPy150Open hatRiot/clusterd/src/platform/jboss/auxiliary/verb_tamper.py/Auxiliary.run