Update ragagent.py

ragagent.py

@@ -39,7 +39,7 @@ class RAGAgent():
         of a retrieved document to a user question. If the document contains keywords related to the user question,
         grade it as relevant. It does not need to be a stringent test. The goal is to filter out erroneous retrievals. \n
         Give a binary score 'yes' or 'no' score to indicate whether the document is relevant to the question. \n
-        Provide the binary score as a JSON with a single key 'score' and no premable or explanation. The JSON format should be exactly: {"score": "yes"} or {"score": "no"} \n
+        Provide the binary score as a JSON with a single key 'score' and no premable or explanation. The JSON format should be exactly: {{"score": "yes"}} or {{"score": "no"}} \n
         <|eot_id|><|start_header_id|>user<|end_header_id|>
         Here is the retrieved document: \n\n {document} \n\n
         Here is the user question: {question} \n <|eot_id|><|start_header_id|>assistant<|end_header_id|>