Update app.py

app.py

@@ -258,25 +258,27 @@ def create_app():
         thread.start()
         return "OK", 200
 
-    @flask_app.route("/upload", methods=["POST","GET"])
+    @flask_app.route("/upload", methods=["POST", "GET"])
     def upload():
-        
         if request.method == 'POST':
-            file = request.files['file']
+            file = request.files.get('file')
             if not file:
                 return "No file uploaded", 400
             if file and file.filename.endswith('.db'):
-                db_path = os.path.join(app.config['UPLOAD_FOLDER'], 'uploaded.db')
+                # Use flask_app.config instead of app.config
+                db_path = os.path.join(flask_app.config['UPLOAD_FOLDER'], 'uploaded.db')
                 file.save(db_path)
-
+                
                 # Convert the file path to an absolute path and reinitialize the agent_app
                 abs_file_path = os.path.abspath(db_path)
                 global agent_app
                 agent_app = create_agent_app(abs_file_path)
-                print("agent app",agent_app)
-                print("[INFO_PRINT]: Database file '{file.filename}' uploaded and loaded.")
+                
+                # Use an f-string properly to log the uploaded file name
+                print(f"[INFO_PRINT]: Database file '{file.filename}' uploaded and loaded.")
                 socketio.emit("log", {"message": f"[INFO]: Database file '{file.filename}' uploaded and loaded."})
                 return redirect(url_for("index"))  # Go back to index page
+        # For GET requests, simply render the upload form.
         return render_template("upload.html")
 
     return flask_app, socketio