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Finite Field Extension

I am using SageMath version 9.2. I was trying the example in the documentation:

sage: k = GF(2)

sage: k.extension(x^1000 + x^5 + x^4 + x^3 + 1, 'a')

However, this gives the error: UnboundLocalError: local variable 'E' referenced before assignment

How do I fix this?

Finite Field Extension

I am using SageMath version 9.2. I was trying the example in the documentation:

sage: k = GF(2)

sage: k.extension(x^1000 + x^5 + x^4 + x^3 + 1, 'a')

However, this gives the error: UnboundLocalError: local variable 'E' referenced before assignment

How do I fix this?