Back to trying to fix common py in Dockerfile

Dockerfile

@@ -18,7 +18,7 @@ COPY .pylintrc /code/.pylintrc
 COPY tests/ /code/tests/
 COPY src/ /code/src/
 
-RUN echo "$(/code/src/videoag_common)"
+RUN echo "$(ls -laR /code/src/videoag_common)"
 
 RUN mkdir -p /code/src/videoag_common
 COPY submodules/backend_common_py/src/videoag_common /code/src/videoag_common