fixes to ranking

relevancy.py

@@ -132,7 +132,7 @@ def generate_relevance_score(
         print(f"Post-processing took {time.time() - process_start:.2f}s")
 
     if sorting:
-        ans_data = sorted(ans_data, key=lambda x: x["Relevancy score"], reverse=True)
+        ans_data = sorted(ans_data, key=lambda x: int(x["Relevancy score"]), reverse=True)
     
     return ans_data, hallucination