Refs #23968 -- Removed unnecessary lists, generators, and tuple calls.

django/db/migrations/autodetector.py

@@ -1065,14 +1065,14 @@ class MigrationAutodetector:
             old_model_name = self.renamed_models.get((app_label, model_name), model_name)
             old_model_state = self.from_state.models[app_label, old_model_name]
             new_model_state = self.to_state.models[app_label, model_name]
-            old_options = dict(
-                option for option in old_model_state.options.items()
-                if option[0] in AlterModelOptions.ALTER_OPTION_KEYS
-            )
-            new_options = dict(
-                option for option in new_model_state.options.items()
-                if option[0] in AlterModelOptions.ALTER_OPTION_KEYS
-            )
+            old_options = {
+                key: value for key, value in old_model_state.options.items()
+                if key in AlterModelOptions.ALTER_OPTION_KEYS
+            }
+            new_options = {
+                key: value for key, value in new_model_state.options.items()
+                if key in AlterModelOptions.ALTER_OPTION_KEYS
+            }
             if old_options != new_options:
                 self.add_operation(
                     app_label,

django/db/migrations/operations/models.py

@@ -496,7 +496,7 @@ class AlterUniqueTogether(FieldRelatedOptionOperation):
 
     def __init__(self, name, unique_together):
         unique_together = normalize_together(unique_together)
-        self.unique_together = set(tuple(cons) for cons in unique_together)
+        self.unique_together = {tuple(cons) for cons in unique_together}
         super().__init__(name)
 
     def deconstruct(self):
@@ -550,7 +550,7 @@ class AlterIndexTogether(FieldRelatedOptionOperation):
 
     def __init__(self, name, index_together):
         index_together = normalize_together(index_together)
-        self.index_together = set(tuple(cons) for cons in index_together)
+        self.index_together = {tuple(cons) for cons in index_together}
         super().__init__(name)
 
     def deconstruct(self):

django/db/migrations/recorder.py

@@ -55,7 +55,7 @@ class MigrationRecorder:
     def applied_migrations(self):
         """Return a set of (app, name) of applied migrations."""
         self.ensure_schema()
-        return set(tuple(x) for x in self.migration_qs.values_list("app", "name"))
+        return {tuple(x) for x in self.migration_qs.values_list("app", "name")}
 
     def record_applied(self, app, name):
         """Record that a migration was applied."""

django/db/migrations/state.py

@@ -559,7 +559,7 @@ class ModelState:
         # First, make a Meta object
         meta_contents = {'app_label': self.app_label, "apps": apps}
         meta_contents.update(self.options)
-        meta = type("Meta", tuple(), meta_contents)
+        meta = type("Meta", (), meta_contents)
         # Then, work out our bases
         try:
             bases = tuple(