Update appChatbot.py

appChatbot.py

@@ -6,6 +6,8 @@ import sys
 import gradio as gr
 from huggingface_hub import InferenceClient
 
+from chromadb.utils import embedding_functions
+
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.embeddings import OpenAIEmbeddings
 from langchain.vectorstores import Chroma
@@ -31,6 +33,10 @@ def replace_newlines_and_spaces(text):
 def get_documents():
     return PyPDFLoader("AI-smart-water-management-systems.pdf").load()
 
+#def embeddings()
+embeddings = embedding_functions.SentenceTransformerEmbeddingFunction(
+    model_name="multi-qa-mpnet-base-dot-v1"
+)
 
 def init_chromadb():
     # Delete existing index directory and recreate the directory