Fix docker file (#3402)

* up

* up

Author: patrickvonplaten

docker/diffusers-pytorch-cuda/Dockerfile

@@ -26,7 +26,7 @@ RUN python3 -m pip install --no-cache-dir --upgrade pip && \
     python3 -m pip install --no-cache-dir \
         torch \
         torchvision \
-        torchaudio \
+        torchaudio && \
     python3 -m pip install --no-cache-dir \
         accelerate \
         datasets \