Move docstring

Author: WaVEV

django_mongodb_backend/expressions.py

@@ -120,6 +120,8 @@ def query(self, compiler, connection, get_wrapping_pipeline=None):
         },
     }
     if get_wrapping_pipeline:
+        # The results from some lookups must be converted to a list of values.
+        # The output is compressed with an aggregation pipeline.
         wrapping_result_pipeline = get_wrapping_pipeline(
             subquery_compiler, connection, field_name, expr
         )

django_mongodb_backend/fields/array.py

@@ -279,8 +279,6 @@ class ArrayOverlap(ArrayRHSMixin, FieldGetDbPrepValueMixin, Lookup):
     lookup_name = "overlap"
 
     def get_subquery_wrapping_pipeline(self, compiler, connection, field_name, expr):
-        # The result must be a list of values.
-        # The output is compressed with an aggregation pipeline.
         return [
             {
                 "$facet": {

django_mongodb_backend/lookups.py

@@ -46,8 +46,6 @@ def in_(self, compiler, connection):
 
 
 def get_subquery_wrapping_pipeline(self, compiler, connection, field_name, expr):  # noqa: ARG001
-    # The result must be a list of values.
-    # The output is compressed with an aggregation pipeline.
     return [
         {
             "$facet": {