replace list with tuple in $in expr for consistency

Author: WaVEV

django_mongodb_backend/base.py

@@ -173,7 +173,7 @@ def _regex_expr(field, regex_vals, insensitive=False):
         # SQL behavior.
         "lt": lambda a, b: {"$and": [{"$lt": [a, b]}, DatabaseWrapper._isnull_expr(a, False)]},
         "lte": lambda a, b: {"$and": [{"$lte": [a, b]}, DatabaseWrapper._isnull_expr(a, False)]},
-        "in": lambda a, b: {"$in": [a, b]},
+        "in": lambda a, b: {"$in": [a, tuple(b)]},
         "isnull": _isnull_expr,
         "range": lambda a, b: {
             "$and": [

tests/model_fields_/test_arrayfield.py

@@ -454,13 +454,13 @@ def test_in_expr(self):
                 {
                     "$match": {
                         "$expr": {
-                            "$in": (
+                            "$in": [
                                 "$field",
-                                [
+                                (
                                     [{"$multiply": [{"$literal": 1}, {"$literal": 1}]}],
                                     [{"$literal": 2}],
-                                ],
-                            )
+                                ),
+                            ]
                         }
                     }
                 }