Update app.py

app.py

@@ -18,13 +18,17 @@ from llama_index.core.agent.workflow import FunctionAgent
 from llama_index.core.workflow import Context
 
 # ---- 1. Global Settings & API Keys ----
+
+OPENAI_API_KEY      = os.getenv("OPENAI_API_KEY")
+LLAMA_CLOUD_API_KEY = os.getenv("LLAMA_CLOUD_API_KEY")
+
+openai.api_key = OPENAI_API_KEY
+
 Settings.llm           = OpenAI(model="gpt-4o")
 Settings.embed_model   = OpenAIEmbedding(model_name="text-embedding-3-large")
 Settings.chunk_size    = 512
 Settings.chunk_overlap = 64
 
-OPENAI_API_KEY      = os.getenv("OPENAI_API_KEY")
-LLAMA_CLOUD_API_KEY = os.getenv("LLAMA_CLOUD_API_KEY")
 
 # ---- 2. Parser Setup ----
 parser = LlamaParse(