Use "thick" venv

Author: Munkkeli

.diploi/helm/app.yaml

@@ -42,7 +42,7 @@ spec:
             - /bin/sh
             - -c
             - |
-              python -m venv .venv
+              python -m venv --copies .venv
               . ./.venv/bin/activate
               pip install --only-binary=:all: --no-cache-dir -r requirements.txt
           workingDir: /app/{{ .Values.identifier }}