add scikit-image dep (#306)

brettkoonce · sgugger · commit a773debbad85 · 2019-11-23T08:15:59.000-05:00
Closes #300.
diff --git a/README.md b/README.md
@@ -17,7 +17,7 @@ To use `fastai2.medical.imaging` you'll also need to:
 
 ```bash
 conda install pyarrow
-pip install pydicom kornia opencv-python
+pip install pydicom kornia opencv-python scikit-image
 ```
 
 ## Tests
