use virtual environment

Author: archmoj

.circleci/config.yml

@@ -261,6 +261,11 @@ jobs:
     steps:
       - attach_workspace:
           at: ~/
+      - run:
+          name: Create and activate virtual environment
+          command: |
+            python -m venv venv
+            source venv/bin/activate
       - run: sudo apt-get update
       - run:
           name: Install kaleido, plotly.io and required fonts