Use Python 3.7

project-ml-microservice-kubernetes/README.md

@@ -25,7 +25,15 @@ You can find a detailed [project rubric, here](https://review.udacity.com/#!/rub
 
 ## Setup the Environment
 
-* Create a virtualenv and activate it
+* Create a virtualenv with Python 3.7 and activate it. Refer to this link for help on specifying the Python version in the virtualenv. 
+```bash
+python3 -m pip install --user virtualenv
+# You should have Python 3.7 available in your host. 
+# Check the Python path using `which python3`
+# Use a command similar to this one:
+python3 -m virtualenv --python=<path-to-Python3.7> .devops
+source .devops/bin/activate
+```
 * Run `make install` to install the necessary dependencies
 
 ### Running `app.py`