Update app.py

app.py

@@ -1,3 +1,9 @@
+#!/usr/bin/env python3
+"""
+Crypto Data Aggregator - Complete Gradio Dashboard
+6-tab comprehensive interface for cryptocurrency data analysis
+"""
+
 import gradio as gr
 import pandas as pd
 import plotly.graph_objects as go
@@ -12,7 +18,7 @@ import traceback
 
 # Import local modules
 import config
-import database              # برای database.get_database()
+from database import Database
 import collectors
 import ai_models
 import utils
@@ -21,9 +27,7 @@ import utils
 logger = utils.setup_logging()
 
 # Initialize database
-db = database.get_database()
-
-# Global state for background collection
+db = Database()
 
 # Global state for background collection
 _collection_started = False
@@ -1449,7 +1453,7 @@ def main():
 
     # Initialize database
     logger.info("Initializing database...")
-    db = database.get_database()
+    db = Database()
     logger.info("Database initialized successfully")
 
     # Start background data collection
@@ -1488,4 +1492,4 @@ def main():
 
 
 if __name__ == "__main__":
-    main()
+    main()