Update src/rag/pipeline.py

src/rag/pipeline.py

@@ -86,7 +86,7 @@ class RAGPipeline:
         prompt_node = PromptNode(
             model_name_or_path="gpt-4",
             default_prompt_template=rag_prompt,
-            api_key="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",
+            api_key=OPENAI_API_KEY,
             max_length=3000,
             model_kwargs={"temperature": 0.2, "max_tokens": 4096},
         )