Update app.py

app.py

@@ -19,10 +19,10 @@ with st.sidebar:
     st.title(':orange_book: BinDoc GmbH')
     
     # Securely store the API key
-    st.secrets("OPENAI_API_KEY")
+    st.secret("OPENAI_API_KEY")
 
     # Retrieve the API key from st.secrets
-    api_key = st.secrets.get("OPENAI_API_KEY")
+    api_key = st.secrets["OPENAI_API_KEY"]
 
     if not api_key:
         st.warning('API key is required to proceed.')