Update Dockerfile

Dockerfile

@@ -8,6 +8,9 @@ COPY . /app
 RUN pip install --no-cache-dir -r requirements.txt
 RUN apt-get update && apt-get install -y libgl1-mesa-glx
 
+# Command to modify the file before app startup
+RUN sed -i 's/from torchvision.transforms.functional_tensor import rgb_to_grayscale/from torchvision.transforms.functional import rgb_to_grayscale/' /usr/local/lib/python3.9/site-packages/basicsr/data/degradations.py
+
 # Make port 80 available to the world outside this container
 EXPOSE 7860