Adding pytimber, GPN assumed

Dockerfile

@@ -161,7 +161,7 @@ RUN conda activate $ENV_PREFIX \
  && cd ../.. \
  && git clone https://github.com/PyCOMPLETE/FillingPatterns.git \
  && pip install ./FillingPatterns \
- && python -m pip install -U --index-url https://acc-py-repo.cern.ch/repository/vr-py-releases/simple --trusted-host acc-py-repo.cern.ch pytimber
+ && python -m pip install -U --index-url https://acc-py-repo.cern.ch/repository/vr-py-releases/simple --trusted-host acc-py-repo.cern.ch pytimber \
  && conda deactivate