Fix Streamlit configuration for Hugging Face Spaces and clean up imports

Dockerfile

@@ -15,5 +15,5 @@ COPY app.py /app/app.py
 # Expose Streamlit port
 EXPOSE 7860
 
-# Run Streamlit
-CMD ["streamlit", "run", "/app/app.py", "--server.address", "0.0.0.0", "--server.port", "7860"]
+# Run Streamlit with proper configuration for Hugging Face Spaces
+CMD ["streamlit", "run", "/app/app.py", "--server.address", "0.0.0.0", "--server.port", "7860", "--server.headless", "true", "--server.enableCORS", "false", "--server.enableXsrfProtection", "false"]

app.py

@@ -12,11 +12,7 @@ from pathlib import Path
 from typing import Dict, Any
 import io
 
-try:
-    import requests
-except ImportError:
-    st.error("Error: requests module not found. Please install it with: pip install requests")
-    st.stop()
+import requests
 
 # Try to import structure_analysis, fallback to inline if not available
 try: