Explicitly pass otp version

Author: paulapreuss

task_queue/Dockerfile

@@ -17,7 +17,7 @@ RUN python -m pip install --upgrade pip
 RUN pip install -r /tmp/requirements.txt
 RUN echo $SIMULATION_PACKAGE
 #RUN pip install "$SIMULATION_PACKAGE $SIMULATION_VERSION" gunicorn
-RUN pip install "oemof-tabular-plugins $SIMULATION_VERSION" --force-reinstall
+RUN pip install "oemof-tabular-plugins @ git+https://github.com/rl-institut/oemof-tabular-plugins.git" --force-reinstall
 RUN pip install gunicorn
 
 run echo $(pip freeze)