Update app.py

app.py

@@ -12,7 +12,7 @@ nest_asyncio.apply()
 embed_model = HuggingFaceEmbedding(model_name='intfloat/multilingual-e5-large-instruct')
 Settings.embed_model = embed_model
 Settings.llm = OpenRouter(
-    api_key=os.environ["OPENROUTER_API_KEY"],
+    api_key="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",
     model="deepseek/deepseek-r1-0528-qwen3-8b:free",
     max_tokens=10000,
     context_window=20000,