typing: import unconditionally

This is needed if we're writing python3 signatures.

mercurial/pathutil.py

@@ -4,6 +4,13 b' import os'
 import posixpath
 import stat
 
+from typing import (
+    Any,
+    Callable,
+    Iterator,
+    Optional,
+)
+
 from .i18n import _
 from . import (
     encoding,
@@ -13,15 +20,6 b' from . import ('
     util,
 )
 
-if pycompat.TYPE_CHECKING:
-    from typing import (
-        Any,
-        Callable,
-        Iterator,
-        Optional,
-    )
-
-
 rustdirs = policy.importrust('dirstate', 'Dirs')
 parsers = policy.importmod('parsers')