ImportError No module named 'matplotlib'

Question

I have Python 3.6 installed with Matplotlib and I created a small program, which runs and plots the graph fine. Now, I want to export the data from this program into a MySQL database. I downloaded MySQL/Python connector, which only supports Python 3.4. So, I installed Python 3.4 as well. Now,I have two Python installed. My program runs fine if I do

python test.py

If I go into 3.4 installation directory and run the same command, it fails with the error 'No module named matplotlib'. If I do

pip install matplotlib

from 3.4 directory, then it says 'requirements already satisfied'. Any idea what am I missing here?

sascha · Accepted Answer · 2017-03-23 22:28:57Z

5

Calling pip like this, it's not about the current directory, but just about your system paths. If you want to be sure, you can always go to python-env/Scripts/pip (your python-binary would be at python-env/python).

answered Mar 23, 2017 at 22:28

sascha

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Back2Basics · Accepted Answer · 2017-03-23 22:30:04Z

0

You need to keep your installs separate. The path statement is getting messed up. I would suggest getting anaconda. Once you install it you can get all the packages and dependencies in one action.

conda create -n py34project python=3.4 matplotlib ipython other_package

then easily get python 3.6

conda create -n py36project python=3.6 matplotlib ipython other_package

you can use: source activate py36project to enter the environment (which will fix the path problem) and leave the environment with source deactivate

answered Mar 23, 2017 at 22:30

Back2Basics

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