python lmfit.minimizer not working

[dieter]

Priya Singh <sapna.intell at gmail.com> writes:

> Dear All,
>
> I am trying to fit a spectrum using a power law model. I am using lmfit.minimizer.

You are asking a question about a specific module ("lmfit") not part
of the Python standard library. You might get better help from
a different audience (one closer to "lmfit", maybe its authors).
I, for example, do not know "lmfit" at all.