Try to use a venv

Author: EmilyBourne

.github/actions/python_install/action.yml

@@ -15,3 +15,13 @@ runs:
       run:
         sudo apt-get -y install python3-pip
       shell: bash
+    - name: Install Venv
+      run:
+        sudo apt install python3-venv
+      shell: bash
+    - name: Setup Venv
+      run: |
+        python3 -m venv .venv
+        source .venv/bin/activate
+        echo PATH=$PATH >> $GITHUB_ENV
+      shell: bash