lmfit_import_error

plasmapy.optional_deps.lmfit_import_error = ImportError('\n    lmfit could not be found. Try either\n\n        conda install lmfit\n\n    on Anaconda environments or\n\n        pip install lmfit\n\n    in general. In case of trouble refer to\n\n        https://lmfit.github.io/lmfit-py/installation.html\n\n    (link active as of 2018.10.31 - please report dead links on GitHub!)')

Import error message for lmfit.