return type for VaspValidator.from_vasp_input

Author: esoteric-ephemera

pymatgen/io/validation/validation.py

@@ -12,6 +12,7 @@
 
 if TYPE_CHECKING:
     import os
+    from typing_extensions import Self
 
 DEFAULT_CHECKS = [CheckStructureProperties, CheckPotcar, CheckCommonErrors, CheckKpointsKspacing, CheckIncar]
 
@@ -43,7 +44,7 @@ def from_vasp_input(
         vasp_files: VaspFiles | None = None,
         fast: bool = False,
         check_potcar: bool = True,
-    ):
+    ) -> Self:
         """
         Validate a VASP calculation from VASP files or their object representation.