Update app.py

app.py

@@ -26,7 +26,7 @@ os.environ["HF_HOME"] = model_cache_dir
 os.environ["TRANSFORMERS_CACHE"] = model_cache_dir
 
 # Fixed this line - added missing closing parenthesis
-sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "src"))
+sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "src")))
 
 try:
     from txagent.txagent import TxAgent