updating k value

app.py

@@ -6,7 +6,7 @@ from langchain.embeddings import HuggingFaceBgeEmbeddings
 from langchain.chains import ConversationalRetrievalChain
 
 # --- Configuration ---
-TOGETHER_API_KEY = os.environ.get("TOGETHER_API_KEY")
+TOGETHER_API_KEY = os.environ.get("pilotikval")
 if not TOGETHER_API_KEY:
     st.error("Missing TOGETHER_API_KEY environment variable.")
     st.stop()
@@ -52,7 +52,7 @@ vectorstore = Chroma(
     persist_directory=persist_directory,
     embedding_function=embeddings
 )
-retriever = vectorstore.as_retriever(search_kwargs={"k":5})
+retriever = vectorstore.as_retriever(search_kwargs={"k":20})
 
 # System prompt template
 SYSTEM_PROMPT = (