diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/dml.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/dml.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/dml.py b/lib/sqlalchemy/dialects/postgresql/dml.py index bb6345cf4..c561b73a1 100644 --- a/lib/sqlalchemy/dialects/postgresql/dml.py +++ b/lib/sqlalchemy/dialects/postgresql/dml.py @@ -185,7 +185,7 @@ class OnConflictClause(ClauseElement): def __init__(self, constraint=None, index_elements=None, index_where=None): if constraint is not None: - if not isinstance(constraint, util.string_types) and isinstance( + if not isinstance(constraint, str) and isinstance( constraint, (schema.Index, schema.Constraint, ext.ExcludeConstraint), ): @@ -197,7 +197,7 @@ class OnConflictClause(ClauseElement): "'constraint' and 'index_elements' are mutually exclusive" ) - if isinstance(constraint, util.string_types): + if isinstance(constraint, str): self.constraint_target = constraint self.inferred_target_elements = None self.inferred_target_whereclause = None |