Traceback (most recent call last):
  File "/mt/home/watt/LHAPDF6/bin/yodadiff", line 116, in <module>
    if p1.dim >= 1 and not (eq(p1.x, p2.x) and eq(p1.xErrs, p2.xErrs)):
  File "/mt/home/watt/LHAPDF6/bin/yodadiff", line 50, in eq
    return all(eq(*pair) for pair in zip(a, b))
  File "/mt/home/watt/LHAPDF6/bin/yodadiff", line 50, in <genexpr>
    return all(eq(*pair) for pair in zip(a, b))
  File "/mt/home/watt/LHAPDF6/bin/yodadiff", line 53, in eq
    return abs(float(a) - float(b))/(float(a) + float(b)) < opts.TOL
ZeroDivisionError: float division by zero