Edits.

Author: WaVEV

django_mongodb/compiler.py

@@ -75,17 +75,17 @@ def _prepare_annotations_for_group_pipeline(self):
         """Prepare annotations for the MongoDB aggregation pipeline."""
         replacements = {}
         group = {}
-        count = itertools.count(start=1)
+        annotation_group_idx = itertools.count(start=1)
         for target, expr in self.query.annotation_select.items():
             if expr.contains_aggregate:
                 new_replacements, expr_group = self._prepare_expressions_for_pipeline(
-                    expr, target, count
+                    expr, target, annotation_group_idx
                 )
                 replacements.update(new_replacements)
                 group.update(expr_group)
 
         having_replacements, having_group = self._prepare_expressions_for_pipeline(
-            self.having, None, count
+            self.having, None, annotation_group_idx
         )
         replacements.update(having_replacements)
         group.update(having_group)