Update app.py

app.py

@@ -44,6 +44,9 @@ os.environ.update({
     "TOKENIZERS_PARALLELISM": "false",
     "CUDA_LAUNCH_BLOCKING": "1"
 })
+current_dir = os.path.dirname(os.path.abspath(__file__))
+src_path = os.path.abspath(os.path.join(current_dir, "src"))
+sys.path.insert(0, src_path)
 from txagent.txagent import TxAgent
 # ==================== UTILITY FUNCTIONS ====================
 def sanitize_text(text: str) -> str: