Fix diffusers installation and PYTHONPATH

Dockerfile

@@ -44,13 +44,15 @@ RUN . /opt/conda/etc/profile.d/conda.sh && \
     "gradio>=4.12.0" \
     spaces && \
     cd /home/user/app/MMCM && pip install -e . && \
-    cd /home/user/app/diffusers && pip install -e . && \
+    cd /home/user/app/diffusers && \
+    pip uninstall -y diffusers && \
+    pip install -e . && \
     cd /home/user/app/controlnet_aux && pip install -e .
 
 RUN echo "source activate musev" >> ~/.bashrc
 
 # Set up Python path
-ENV PYTHONPATH=/home/user/app/MuseV:/home/user/app/MMCM:/home/user/app/diffusers/src:/home/user/app/controlnet_aux/src
+ENV PYTHONPATH=/home/user/app/MuseV:/home/user/app/MMCM:/home/user/app/diffusers:/home/user/app/controlnet_aux/src
 
 WORKDIR /home/user/app/MuseV/scripts/gradio/