new cc version + fix paperqa

app.py

@@ -39,7 +39,6 @@ st.markdown(
     unsafe_allow_html=True,
 )
 
-os.environ['OPENAI_API_KEY'] = ss.get('api_key')
 agent = ChemCrow(
     model='gpt-4',
     tools_model='gpt-4-0613',
@@ -60,6 +59,7 @@ tool_list.columns = ['Tool', 'Description']
 
 def on_api_key_change():
     api_key = ss.get('api_key') or os.getenv('OPENAI_API_KEY')
+    os.environ['OPENAI_API_KEY'] = ss.get('api_key')
     # Check if key is valid
     if not oai_key_isvalid(api_key):
         st.write("Please input a valid OpenAI API key.")