What is the right (and most stable) way to convert polynomials over number 
fields to a corresponding pari object?
I want to work with polynomials over number fields in sage using methods 
from pari (for example pari's rnfpolredabs).

The following code raises a PariError (incorrect priority in gtopoly: 
variable y <= t), and it persists if I rename the sage variables.

R.<x> = QQ[]
K = NumberField(x^2+2, "k")
pK = pari(K)
print("pK:",pK) #uses variable "y"

S.<t> = K[]
g = t^3 + 2
pg = pari(g)
print("pg:",pg)

I used Sage 9.0 and 8.8.

Thanks,
Benjamin

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