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app.py

@@ -10,7 +10,6 @@ import weave
 
 from langchain.memory import ConversationSummaryBufferMemory
 
-from langchain_openai import ChatOpenAI
 from langchain.embeddings import OpenAIEmbeddings
 from langchain_openai import OpenAIEmbeddings
 from langchain_community.embeddings.sentence_transformer import SentenceTransformerEmbeddings
@@ -23,6 +22,11 @@ from langchain_community.vectorstores import Chroma
 from huggingface_hub import CommitScheduler
 from pathlib import Path
 
+from langchain_core.cache import BaseCache
+from langchain_openai.chat_models import ChatOpenAI
+
+# Rebuild the model to fix the pydantic validation error
+ChatOpenAI.model_rebuild()
 #====================================SETUP=====================================#
 # Fetch secrets from Hugging Face Spaces