Update app.py

app.py

@@ -14,9 +14,9 @@ from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain.prompts import PromptTemplate
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.vectorstores import Chroma
-from langchain.vectorstores import MongoDBAtlasVectorSearch
+#from langchain.vectorstores import MongoDBAtlasVectorSearch
 
-from pymongo import MongoClient
+#from pymongo import MongoClient
 
 from dotenv import load_dotenv, find_dotenv
 _ = load_dotenv(find_dotenv())
@@ -33,12 +33,13 @@ client = OpenAI(
 
 #openai.api_key = os.getenv["OPENAI_API_KEY"]
 
-MONGODB_URI = os.environ["MONGODB_ATLAS_CLUSTER_URI"]
-client = MongoClient(MONGODB_URI)
-MONGODB_DB_NAME = "langchain_db"
-MONGODB_COLLECTION_NAME = "gpt-4"
-MONGODB_COLLECTION = client[MONGODB_DB_NAME][MONGODB_COLLECTION_NAME]
-MONGODB_INDEX_NAME = "default"
+#Für MongoDB statt Chroma als Vektorstore
+#MONGODB_URI = os.environ["MONGODB_ATLAS_CLUSTER_URI"]
+#client = MongoClient(MONGODB_URI)
+#MONGODB_DB_NAME = "langchain_db"
+#MONGODB_COLLECTION_NAME = "gpt-4"
+#MONGODB_COLLECTION = client[MONGODB_DB_NAME][MONGODB_COLLECTION_NAME]
+#MONGODB_INDEX_NAME = "default"
 
 template = """If you don't know the answer, just say that you don't know, don't try to make up an answer. Keep the answer as concise as possible. Always say 
               "🧠 Thanks for using the app - Bernd" at the end of the answer. """