fixed Dockerfile

Author: atinfinity

Dockerfile.melodic

@@ -101,7 +101,7 @@ RUN cd /home/$USERNAME && \
     git clone https://github.com/carla-simulator/scenario_runner.git -b v${CARLA_VERSION} && \
     sudo pip install -r scenario_runner/requirements.txt
 
-RUN sudo python -m easy_install /opt/carla-simulator/PythonAPI/carla/dist/carla-0.9.11-py2.7-linux-x86_64.egg
+RUN sudo python -m easy_install /opt/carla-simulator/PythonAPI/carla/dist/carla-${CARLA_VERSION}-py2.7-linux-x86_64.egg
 RUN echo "source /opt/ros/melodic/setup.bash" >> ~/.bashrc && \
     echo "source ~/catkin_ws/devel/setup.bash" >> ~/.bashrc && \
     echo "export SCENARIO_RUNNER_PATH=/home/$USERNAME/scenario_runner" >> ~/.bashrc && \