added the package installation again

Author: illdopejake

course-outline.md

@@ -36,7 +36,6 @@ If you are already savvy with Python and just want a tl;dr summary, here’s all
 3. Download the [data](https://osf.io/5hju4/files/) and remember where you store it!
 4. Download or clone the Intro to ML [repository](https://github.com/brainhack101/introML)
 5. Install the following packages: (with pip install) nilearn scipy; (with conda install) matplotlib scikit-learn jupyter pandas seaborn
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 6. Test everything by activating the environment, opening the NAME OF NOTEBOOK notebook and running the first few cells
 
 For detailed instructions, view the full [installation instructions](https://docs.google.com/document/d/1G0QHtkZDklE5EEwbtTSruSijHhAoFIXoeDxk0AyVjM0/edit?usp=sharing).