fix preprocessor install

Dockerfile

@@ -46,8 +46,8 @@ WORKDIR $HOME/app
 # Copy the current directory contents into the container at $HOME/app setting the owner to the user
 
 RUN git clone https://github.com/comfyanonymous/ComfyUI . && \
-    pip install xformers!=0.0.18 --no-cache-dir -r requirements.txt --extra-index-url https://download.pytorch.org/whl/cu118 --extra-index-url https://download.pytorch.org/whl/cu117
-    
+    pip install xformers!=0.0.18 --no-cache-dir -r requirements.txt --extra-index-url https://download.pytorch.org/whl/cu117
+
 # Checkpoints
 
 RUN echo "Downloading checkpoints..." && \ 
@@ -55,7 +55,7 @@ RUN echo "Downloading checkpoints..." && \
     # wget -c https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0/resolve/main/sd_xl_base_1.0.safetensors -P ./models/checkpoints/ && \
     wget -c https://huggingface.co/stabilityai/stable-diffusion-xl-refiner-1.0/resolve/main/sd_xl_refiner_1.0.safetensors -P ./models/checkpoints/ && \
     wget -c https://huggingface.co/stabilityai/stable-diffusion-xl-base-1.0/resolve/main/sd_xl_base_1.0_0.9vae.safetensors -P ./models/checkpoints/ && \
-    
+
     # SD1.5
     # wget -c https://huggingface.co/runwayml/stable-diffusion-v1-5/resolve/main/v1-5-pruned-emaonly.ckpt -P ./models/checkpoints/ && \
     wget -c https://huggingface.co/stabilityai/stable-diffusion-2-1-base/resolve/main/v2-1_512-ema-pruned.safetensors -P ./models/checkpoints/ && \
@@ -110,7 +110,7 @@ RUN echo "Downloading checkpoints..." && \
     # wget -c https://huggingface.co/thibaud/controlnet-openpose-sdxl-1.0/resolve/main/diffusion_pytorch_model.bin -O ./models/controlnet/OpenPoseXL2.bin && \
 
     # Controlnet Preprocessor nodes by Fannovel16
-    cd custom_nodes && git clone https://github.com/Fannovel16/comfy_controlnet_preprocessors && cd comfy_controlnet_preprocessors && python install.py --no_download_ckpts && cd ../../ && \
+    cd custom_nodes && git clone https://github.com/Fannovel16/comfy_controlnet_preprocessors && cd comfy_controlnet_preprocessors && sh install.sh --no_download_ckpts && cd ../../ && \
     # GLIGEN
     wget -c https://huggingface.co/comfyanonymous/GLIGEN_pruned_safetensors/resolve/main/gligen_sd14_textbox_pruned_fp16.safetensors -P ./models/gligen/ && \ 
     # ESRGAN upscale model