fix: dealing with null value

app.py

@@ -1,5 +1,6 @@
 import os
 import sys
+import math
 import requests
 import gradio as gr
 import pandas as pd
@@ -127,6 +128,12 @@ def RAG_evaluation(uploaded_file, user_api_key):
                         "Context Entity Recall": getattr(row, "context_entity_recall", None),
                         # "Noise Sensitivity": getattr(row, "noise_sensitivity_relevant", None)
                     }
+                    
+                    for key in list(record.keys()):
+                        val = record[key]
+                        if isinstance(val, float) and not math.isfinite(val):
+                            record[key] = ""
+                
                     records.append(record)
 
                     log_to_google_sheet(