Update app.py

app.py

@@ -261,6 +261,8 @@ from langchain_core.output_parsers import StrOutputParser
 from langchain_community.vectorstores import Chroma
 from langchain_huggingface import HuggingFaceEmbeddings
 from langchain_core.runnables import RunnablePassthrough
+import chromadb.api
+chromadb.api.client.SharedSystemClient.clear_system_cache()
 os.environ['MISTRAL_API_KEY'] = 'XuyOObDE7trMbpAeI7OXYr3dnmoWy3L0'
 
 class VectorData():