Update app.py

app.py

@@ -23,7 +23,7 @@ OPENAI_LINK = "[OpenAI](https://openai.com)"
 
 PINECONE_KEY = os.environ.get("PINECONE_KEY", "")
 PINECONE_ENV = os.environ.get("PINECONE_ENV", "asia-northeast1-gcp")
-PINECONE_INDEX = os.environ.get("PINECONE_INDEX", "3gpp")
+PINECONE_INDEX = os.environ.get("PINECONE_INDEX", '3gpp-r16')
 
 PINECONE_LINK  = "[Pinecone](https://www.pinecone.io)"
 LANGCHAIN_LINK = "[LangChain](https://python.langchain.com/en/latest/index.html)"
@@ -31,8 +31,8 @@ LANGCHAIN_LINK = "[LangChain](https://python.langchain.com/en/latest/index.html)
 EMBEDDING_MODEL = os.environ.get("PINECONE_INDEX", "sentence-transformers/all-mpnet-base-v2")
 
 # return top-k text chunks from vector store
-TOP_K_DEFAULT = 10
-TOP_K_MAX = 25
+TOP_K_DEFAULT = 15
+TOP_K_MAX = 30
 
 
 BUTTON_MIN_WIDTH = 215