Install python packages with requirements.txt

containers/jug/dev.Dockerfile

@@ -13,6 +13,7 @@ RUN --mount=type=cache,target=/var/cache/apt                            \
  && apt-get -yqq update                                                 \
  && apt-get -yqq install --no-install-recommends                        \
         python3                                                         \
+        python3-distutils                                               \
         python-is-python3                                               \
  && rm -rf /var/lib/apt/lists/*