fix issue because of ragas change. (#111)

Co-authored-by: root <[email protected]>

evals/evaluation/rag_eval/examples/eval_multihop.py

@@ -137,17 +137,18 @@ def evaluate(self, all_queries, arguments):
         return overall
 
     def get_ragas_metrics(self, all_queries, arguments):
-        from langchain_community.embeddings import HuggingFaceHubEmbeddings
+        from langchain_huggingface import HuggingFaceEndpointEmbeddings
+
+        embeddings = HuggingFaceEndpointEmbeddings(model=arguments.embedding_endpoint)
 
-        embeddings = HuggingFaceHubEmbeddings(model=arguments.embedding_endpoint)
         metric = RagasMetric(threshold=0.5, model=arguments.llm_endpoint, embeddings=embeddings)
         all_answer_relevancy = 0
         all_faithfulness = 0
         ragas_inputs = {
-            "input": [],
-            "actual_output": [],
-            "expected_output": [],
-            "retrieval_context": [],
+            "question": [],
+            "answer": [],
+            "ground_truth": [],
+            "contexts": [],
         }
 
         for data in tqdm(all_queries):
@@ -157,10 +158,10 @@ def get_ragas_metrics(self, all_queries, arguments):
             generated_text = self.send_request(data, arguments)
             data["generated_text"] = generated_text
 
-            ragas_inputs["input"].append(data["query"])
-            ragas_inputs["actual_output"].append(generated_text)
-            ragas_inputs["expected_output"].append(data["answer"])
-            ragas_inputs["retrieval_context"].append(retrieved_documents[:3])
+            ragas_inputs["question"].append(data["query"])
+            ragas_inputs["answer"].append(generated_text)
+            ragas_inputs["ground_truth"].append(data["answer"])
+            ragas_inputs["contexts"].append(retrieved_documents[:3])
 
         ragas_metrics = metric.measure(ragas_inputs)
         return ragas_metrics