Update tools.py

tools.py

@@ -166,7 +166,7 @@ def get_retriver_from_docs(docs):
     splits = text_splitter.split_documents(docs)
 
     # Text Vectorization.
-    vectorstore = Chroma.from_documents(documents=splits)
+    vectorstore = Chroma.from_documents(documents=splits, embedding=OpenAIEmbeddings())
 
     # Retrieve and generate using the relevant snippets of the blog.
     retriever = vectorstore.as_retriever()