diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/sqlite/base.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/sqlite/base.py | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/sqlalchemy/dialects/sqlite/base.py b/lib/sqlalchemy/dialects/sqlite/base.py index dc5ebc3f0..c4a6bf8e9 100644 --- a/lib/sqlalchemy/dialects/sqlite/base.py +++ b/lib/sqlalchemy/dialects/sqlite/base.py @@ -1915,7 +1915,9 @@ class SQLiteDialect(default.DefaultDialect): 14, ) - _isolation_lookup = {"READ UNCOMMITTED": 1, "SERIALIZABLE": 0} + _isolation_lookup = util.immutabledict( + {"READ UNCOMMITTED": 1, "SERIALIZABLE": 0} + ) def set_isolation_level(self, connection, level): try: @@ -1925,7 +1927,11 @@ class SQLiteDialect(default.DefaultDialect): exc.ArgumentError( "Invalid value '%s' for isolation_level. " "Valid isolation levels for %s are %s" - % (level, self.name, ", ".join(self._isolation_lookup)) + % ( + level, + self.name, + ", ".join(self._isolation_lookup), + ) ), replace_context=err, ) |