Refactor get_initial for list input handlingFix ListSerializer.get_initial to return consistent initial list structure

Modify get_initial to return a consistent list format when initial_data is a list.

Author: shrajal01

rest_framework/serializers.py

@@ -608,10 +608,15 @@ def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.child.bind(field_name='', parent=self)
 
-    def get_initial(self):
-        if hasattr(self, 'initial_data'):
-            return self.to_representation(self.initial_data)
+   def get_initial(self):
+    if hasattr(self, 'initial_data'):
+        # If data is given, we should just return the raw input structure,
+        # but ensure it's represented in a consistent list format.
+        if isinstance(self.initial_data, list):
+            return [self.child.get_initial() for _ in self.initial_data]
         return []
+    return []
+
 
     def get_value(self, dictionary):
         """