stuff

app.log

@@ -50429,3 +50429,57 @@ Traceback (most recent call last):
   File "/usr/local/lib/python3.10/contextlib.py", line 249, in __aexit__
     raise RuntimeError("generator didn't stop after athrow()")
 RuntimeError: generator didn't stop after athrow()
+2025-06-06 19:28:33:__main__:INFO: Starting the interface
+2025-06-06 19:28:39:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 19:28:47:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 19:30:20:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 19:30:20:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 72, in chat_fn
+    ToolMessage(
+NameError: name 'ToolMessage' is not defined
+2025-06-06 19:32:28:__main__:INFO: Starting the interface
+2025-06-06 19:32:32:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 19:32:52:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 19:32:52:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 97, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/runner.py", line 400, in atick
+    _panic_or_proceed(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+  File "/usr/local/lib/python3.10/site-packages/langgraph/utils/runnable.py", line 676, in ainvoke
+    input = await step.ainvoke(input, config, **kwargs)
+  File "/usr/local/lib/python3.10/site-packages/langgraph/utils/runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+  File "/home/user/app/graph.py", line 145, in guidance_node
+    elif isinstance(message, SystemMessage):
+NameError: name 'SystemMessage' is not defined
+2025-06-06 19:33:33:__main__:INFO: Starting the interface
+2025-06-06 19:33:38:__main__:INFO: Greeting added for new user via handle_initial_greeting_load.
+2025-06-06 19:33:44:__main__:INFO: Prompt: You are a helpful assistant.
+2025-06-06 19:33:44:__main__:ERROR: Exception occurred
+Traceback (most recent call last):
+  File "/home/user/app/app.py", line 97, in chat_fn
+    async for stream_mode, chunk in graph.astream(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/__init__.py", line 2655, in astream
+    async for _ in runner.atick(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/runner.py", line 400, in atick
+    _panic_or_proceed(
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/runner.py", line 509, in _panic_or_proceed
+    raise exc
+  File "/usr/local/lib/python3.10/site-packages/langgraph/pregel/retry.py", line 136, in arun_with_retry
+    return await task.proc.ainvoke(task.input, config)
+  File "/usr/local/lib/python3.10/site-packages/langgraph/utils/runnable.py", line 676, in ainvoke
+    input = await step.ainvoke(input, config, **kwargs)
+  File "/usr/local/lib/python3.10/site-packages/langgraph/utils/runnable.py", line 440, in ainvoke
+    ret = await self.afunc(*args, **kwargs)
+  File "/home/user/app/graph.py", line 145, in guidance_node
+    elif isinstance(message, SystemMessage):
+NameError: name 'SystemMessage' is not defined
+2025-06-06 19:34:07:__main__:INFO: Prompt: You are a helpful assistant.

app.py

@@ -7,7 +7,7 @@ import json
 
 import gradio as gr
 from dotenv import load_dotenv
-from langchain_core.messages import HumanMessage
+from langchain_core.messages import SystemMessage, HumanMessage, AIMessage, ToolMessage
 from langgraph.types import RunnableConfig
 from pydantic import BaseModel