Update Dockerfile

Dockerfile

@@ -13,6 +13,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
       # openmpi-bin \
       wget \
       # python3-tk && \
+      && \
     rm -rf /var/lib/apt/lists/*
 
 # RUN echo "deb https://packages.cloud.google.com/apt coral-edgetpu-stable main" | tee /etc/apt/sources.list.d/coral-edgetpu.list