fixup! Add support for retries

src/django_pg_migration_tools/management/commands/migrate_with_timeouts.py

@@ -176,7 +176,7 @@ def _validate(self) -> None:
 
     def _migrate(self, *django_migrate_args: Any, **django_migrate_kwargs: Any) -> None:
         migration_applied: bool = False
-        while self._can_migrate() and (migration_applied is False):
+        while self._can_migrate() and (not migration_applied):
             try:
                 with timeouts.apply_timeouts(
                     using=django_migrate_kwargs["database"],
@@ -195,7 +195,7 @@ def _migrate(self, *django_migrate_args: Any, **django_migrate_kwargs: Any) -> N
                 )
                 self._attempt_callback(exc)
 
-        if migration_applied is False:
+        if not migration_applied:
             raise base.CommandError(
                 f"Please consider trying a longer retry configuration or "
                 f"investigate whether there were long-running transactions "