Update Dockerfile

Dockerfile

@@ -8,7 +8,7 @@ RUN apt-get update -y && \
     apt-get upgrade -y && \
 	apt-get install -y aria2 libgl1 libglib2.0-0 wget git git-lfs python3-pip python-is-python3 ffmpeg curl && \
     apt-get uninstall -y python3 && \
-    apt-get install -y python3.11
+    apt-get install -y python3.11 && \
     pip install packaging
 RUN curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly -y
 ENV PATH="/root/.cargo/bin:${PATH}"