Update app.py

app.py

@@ -41,7 +41,7 @@ class GradioAgentUI:
 
         # Default model
         if model is None:
-            api_key = os.environ.get("OPENROUTER_API_KEY")
+            api_key = os.environ["OPENROUTER_API_KEY"]
             if not api_key:
                 raise ValueError(
                     "OPENROUTER_API_KEY environment variable is not set. "
@@ -53,11 +53,12 @@ class GradioAgentUI:
             #     temperature=0.7,
             #     api_key=api_key,
             # )
-            
+
+            api_key_anthropic = os.environ["Anthropic_API_KEY"]
             model = ChatAnthropic(
                 model='claude-sonnet-4-5-20250929',
                 temperature=0.7,
-                api_key='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'
+                api_key=api_key_anthropic
             )
             
             
@@ -623,8 +624,8 @@ for the variant chr11:116837649:T>G, associated with Hypoalphalipoproteinemia.""
 
         app.queue(max_size=10).launch(
             share=share,
-            show_api=False,          # 隐藏 "Use via API" 链接
-            favicon_path=None,       # 移除默认favicon
+            show_api=False, 
+            favicon_path=None,
             **kwargs
         )