fix for repeated restarts on HF

validation.py

@@ -34,8 +34,9 @@ def validate_croissant(json_data):
     
 def try_generate_record(record_collection):
     try:
-        iterator = iter(record_collection)
-        next(iterator)
+        for i, record in enumerate(record_collection):
+            if i == 0:
+                break
         return "success"
     except Exception as e:
         return e