Python: importing lmfit.models fails

Question

This post is related to my other one where I was told to use lmfit to fix my problem.

I installed lmfit in anaconda Prompt with conda install --channel "conda-forge" lmfit which worked. But now when I try to use it in my Programm I get the following error:

ModuleNotFoundError: No module named 'lmfit.model'; 'lmfit' is not a package

Thats how the beginning of my Program looks like:

import numpy as np
import math
import scipy    #I dont need scipy, but I read, that lmfit needs scipy. It doesn't change anything when its there or not.
import matplotlib.pyplot as plt
from lmfit.model import GaussianModel

I also tried to import lmfit seperatly like:

import lmfit
from lmfit.model import GaussianModel

But it doesn't work either...

I tried everything from the lmfit website, but using the "git"-thing in Anaconda Prompt gives me an error (something like command doesn't exist)

I also found this post, and importing from lmfit import * works. Now I have the problem that I somehow need to import the GaussianModel, which I don't know how to do. If I just add from lmfit import GaussianModel I get the Error

ImportError: cannot import name 'GaussianModel'

I also read something about the order of importing packages and modules is important - is this what the problem is about? How can I fix this?

I work on windows with anaconda/spider.

Solidago

It's plural: from lmfit.models import GaussianModel. – Morceau

That, however, does not explain the error message you quote. Check that you're not running this in a directory where you have an lmfit directory or lmfit.py file, since in that case, Python will attempt to import that (which is likely not the installed package). – Morceau

Just to be sure if I understand you correctly: I need to go to preferences - Current Working directory and need to choos the directory where lmfit (lmfit-0.9.7-py36_0.json) is (which would be Anaconda/ conda-meta for me)? Or did I missunderstand you? – Solidago

Either pip install lmfit or conda install -c gsecars lmfit should work. After seeing one of those work, verify that you can do import lmfit from the python or ipython prompt in spyder or from a python session started in the "anaconda prompt". You do NOT need to be in the folder where lmfit got unpacked. In fact, you don't want a folder or file named lmfit in your working directory -- that will cause the confusion Evert is talking about. – Lorylose

No, you want to avoid the directory where you downloaded lmfit, and where it's installed. I don't know how Spyder usually works with directories, since I'm used to the command line, but it seems likely there's a clash between filenames. – Morceau

Here's a thing to try: only import lmfit, then print(lmfit.__file__) will tell you what file (with its full path) it is using. See if that looks like the correct file, or an incorrect file. – Morceau

@MNewville @Evert Thank you very much, now it works! I did everything you told me, i guess that conda install -c gsecars lmfit made it work :) The path of my file is the following (for others which have the same problem): C:\Users\Carina\Anaconda3\lib\site-packages\lmfit-0.9.8-py3.6.egg\lmfit__init_.py_ – Solidago