Update app.py

app.py

@@ -101,7 +101,6 @@ if 'ANTHROPIC_API_KEY' in st.secrets:
     anthropic_key = st.secrets["ANTHROPIC_API_KEY"]
 
 openai.api_key = openai_api_key
-client = anthropic.Anthropic(api_key=anthropic_key)
 openai_client = OpenAI(api_key=openai.api_key, organization=os.getenv('OPENAI_ORG_ID'))
 HF_KEY = os.getenv('HF_KEY')
 API_URL = os.getenv('API_URL')
@@ -426,6 +425,8 @@ def perform_ai_lookup(q, vocal_summary=True, extended_refs=False,
     # Claude then Arxiv..
 
     # Claude:
+    client = anthropic.Anthropic(api_key=anthropic_key)
+
     response = client.messages.create(
         model="claude-3-sonnet-20240229",
         max_tokens=1000,