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-rw-r--r--sqlglot/optimizer/normalize_identifiers.py10
1 files changed, 5 insertions, 5 deletions
diff --git a/sqlglot/optimizer/normalize_identifiers.py b/sqlglot/optimizer/normalize_identifiers.py
index 3361a33..f2a0990 100644
--- a/sqlglot/optimizer/normalize_identifiers.py
+++ b/sqlglot/optimizer/normalize_identifiers.py
@@ -3,18 +3,18 @@ from __future__ import annotations
import typing as t
from sqlglot import exp
-from sqlglot._typing import E
from sqlglot.dialects.dialect import Dialect, DialectType
+if t.TYPE_CHECKING:
+ from sqlglot._typing import E
+
@t.overload
-def normalize_identifiers(expression: E, dialect: DialectType = None) -> E:
- ...
+def normalize_identifiers(expression: E, dialect: DialectType = None) -> E: ...
@t.overload
-def normalize_identifiers(expression: str, dialect: DialectType = None) -> exp.Identifier:
- ...
+def normalize_identifiers(expression: str, dialect: DialectType = None) -> exp.Identifier: ...
def normalize_identifiers(expression, dialect=None):