Fix TCH001 (move application import into a type-checking block)

doc/development/tutorials/examples/autodoc_intenum.py

@@ -3,12 +3,13 @@ from __future__ import annotations
 from enum import IntEnum
 from typing import TYPE_CHECKING, Any
 
-from sphinx.application import Sphinx
 from sphinx.ext.autodoc import ClassDocumenter, bool_option
 
 if TYPE_CHECKING:
     from docutils.statemachine import StringList
 
+    from sphinx.application import Sphinx
+
 
 class IntEnumDocumenter(ClassDocumenter):
     objtype = 'intenum'