Hi, I'd like to be able to save number fields with embeddings as text
strings, so that they can be instantiated at a later date, as well as being
human readable. So, I'm trying to store the command used to create such a
field, and use sage_eval on it.

    sage: x = polygen(QQ)
    sage: K.<x> = NumberField(x^2 + x - 1/2, embedding=0.366)

The above works, but the following gives an error:

    sage: K.<x> = sage_eval('NumberField(x^2 + x - 1/2, embedding=0.366)',
locals={'x': x})
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)

/Users/ev/Projects/flagmatic/<ipython console> in <module>()

TypeError: sage_eval() got an unexpected keyword argument 'names'


Does anyone know how to fix this? Thanks!

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