added canvas tool

S2FApp/Dockerfile

@@ -17,7 +17,7 @@ COPY requirements.txt .
 
 # Install Python dependencies - CPU-only PyTorch to fit Space memory limits (avoids OOM)
 RUN pip install --no-cache-dir torch torchvision --index-url https://download.pytorch.org/whl/cpu && \
-    pip install --no-cache-dir numpy opencv-python streamlit matplotlib Pillow plotly huggingface_hub
+    pip install --no-cache-dir numpy opencv-python streamlit matplotlib Pillow plotly huggingface_hub reportlab streamlit-drawable-canvas-fix
 
 # Copy app code (chown for HF Spaces permissions)
 COPY --chown=user:user app.py predictor.py download_ckp.py ./

S2FApp/requirements.txt

@@ -9,3 +9,4 @@ matplotlib>=3.5.0
 Pillow>=9.0.0
 plotly>=5.14.0
 huggingface_hub>=0.20.0
+reportlab>=4.0.0