Upload app.py

app.py

@@ -25,6 +25,11 @@ import gradio as gr
 from datetime import datetime
 import json
 
+# Ensure the app directory itself is importable (for HF runtime quirks)
+APP_DIR = os.path.dirname(__file__)
+if APP_DIR not in sys.path:
+    sys.path.insert(0, APP_DIR)
+
 # Add the src directory to the path
 sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))
 
@@ -100,8 +105,24 @@ except ImportError as e:
     class AuthenticationError(Exception):
         pass
 
-# Import the real API chat system for Hugging Face deployment
-from conversational_travel_chat_real_apis import RealAPIConversationalTravelChat
+# Import the real API chat system for Hugging Face deployment (robust fallback)
+try:
+    from conversational_travel_chat_real_apis import RealAPIConversationalTravelChat
+except ModuleNotFoundError as e:
+    logger.warning(f"Primary import failed: {e}. sys.path={sys.path}")
+    # Attempt dynamic import via importlib as a fallback
+    try:
+        import importlib.util
+        module_path = os.path.join(APP_DIR, 'conversational_travel_chat_real_apis.py')
+        spec = importlib.util.spec_from_file_location('conversational_travel_chat_real_apis', module_path)
+        module = importlib.util.module_from_spec(spec)
+        assert spec and spec.loader
+        spec.loader.exec_module(module)
+        RealAPIConversationalTravelChat = getattr(module, 'RealAPIConversationalTravelChat')
+        logger.info("Loaded RealAPIConversationalTravelChat via dynamic import")
+    except Exception as inner_e:
+        logger.error(f"Failed to load conversational_travel_chat_real_apis: {inner_e}")
+        raise
 
 # Set up logging
 logging.basicConfig(