Update Streamlit app

Dockerfile

@@ -9,11 +9,11 @@ COPY . .
 
 # Install necessary libraries
 # We include 'requests' so the frontend can talk to your backend API
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir streamlit requests pandas numpy
 
 # Hugging Face Spaces requires the app to listen on port 7860
 EXPOSE 7860
 
 # Command to run the Streamlit app
 # --server.address=0.0.0.0 is critical for Docker networking
-CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]
+CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0"]

app.py

@@ -142,4 +142,4 @@ if st.button("Predict Sales", type="primary"):
             st.code(response.text)
 
     except Exception as e:
-        st.error(f"Connection Error ❌\n\n{e}")
+        st.error(f"Connection Error ❌\n\n{e}")