Dear All,
I just found a bug I can't really reproduce in any simpler way than the one I
have here. I did not open a ticket yet on this because I would like to have a
simpler way to explain the issue first. Any idea?
{{{
sage: LQ = LaurentPolynomialRing(QQ, 'x0, x1, x2, y0, y1, y2, y3, y4,
y5')
sage: LZ = LaurentPolynomialRing(ZZ, 'x0, x1, x2, y0, y1, y2, y3, y4,
y5')
sage: LQ.inject_variables()
Defining x0, x1, x2, y0, y1, y2, y3, y4, y5
sage: x2^-1*y0*y1*y2*y3*y4*y5 + x1^-1*x2^-1*y0*y1*y3*y4 + x0^-1 in LZ
True
sage: x2^-1*y0*y1*y2*y3*y4*y5 + x1^-1*x2^-1*y0*y1*y3*y4 +
x0^-1*x1^-1*y0*y3 + x0^-1 in LZ
Traceback (most recent call last):
...
AttributeError: 'tuple' object has no attribute 'esub'
}}}
I am running 7.6.beta4
Thanks
S.
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