fix: move future import to the top for Python syntax compliance

app/app.py

@@ -1,20 +1,14 @@
+from __future__ import annotations
 import streamlit as st
-
 st.title("Twitter Sentiment Intelligence")
-
 try:
     # Main app logic
     """Streamlit front-end for the Deloitte-ready Twitter Sentiment Intelligence dashboard."""
-
-    from __future__ import annotations
-
     import json
     import sys
     from pathlib import Path
     from typing import Dict
-
     import pandas as pd
-
     # -------------------------------------------------------------------------
     # Path setup to include the local src/ package for imports
     # -------------------------------------------------------------------------
@@ -22,10 +16,8 @@ try:
     SRC_PATH = ROOT / "src"
     if str(SRC_PATH) not in sys.path:
         sys.path.insert(0, str(SRC_PATH))
-
     from twitter_sentiment.config import load_config
     from twitter_sentiment.predictor import load_artifacts, predict_with_threshold
-
     # -------------------------------------------------------------------------
     # Streamlit App Configuration
     # -------------------------------------------------------------------------
@@ -34,7 +26,6 @@ try:
         page_icon="💼",
         layout="wide",
     )
-
     # -------------------------------------------------------------------------
     # Cached resource loading (config, pipeline, metrics)
     # NOTE: artifacts/sentiment_pipeline.joblib is referenced relatively
@@ -47,8 +38,6 @@ try:
         # The load_artifacts function references 'artifacts/sentiment_pipeline.joblib' relatively
         pipeline, metrics = load_artifacts(config)
         return config, pipeline, metrics
-
-
     # -------------------------------------------------------------------------
     # Helper function to format prediction probabilities
     # -------------------------------------------------------------------------
@@ -59,8 +48,6 @@ try:
             .sort_values("confidence", ascending=False)
             .style.format({"confidence": "{:.2%}"})
         )
-
-
     # -------------------------------------------------------------------------
     # Main Streamlit Application
     # -------------------------------------------------------------------------
@@ -69,9 +56,7 @@ try:
         config, pipeline, metrics = _load_dependencies()
         # Main application logic continues here
         pass
-
     if __name__ == "__main__":
         main()
-
 except Exception as e:
     st.error(f"Startup failed: {e}")