_buildmodel state dict (version 2) restore typo

[stuart-cls]

First Time Issue Code

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Description

There is a typo in the _buildmodel function introduced in #940

lmfit-py/lmfit/model.py

Line 1391 in 3cfd09a

ivars = left.get('indepedendent_vars', None)

A Minimal, Complete, and Verifiable example

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Fit report:

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Error message:

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Version information

lmfit since #940 (1.3.0+)

Link(s)