from_... class methods now return typing_extensions.Self (materia…

…lsproject#840)

* more clean up of schemas/test_lobster.py

* from_... class methods return typing_extensions.Self

* fix NameError: name 'Self' is not defined in schema files

* missed one NameError: name 'Self' is not defined

* start doc strings on 1st line

src/atomate2/vasp/sets/mp.py

@@ -44,7 +44,6 @@ class MPGGAStaticSetGenerator(StaticSetGenerator):
  auto_kspacing: bool = True
  inherit_incar: bool | None = False
 
-
 @dataclass
 class MPMetaGGAStaticSetGenerator(StaticSetGenerator):
  """Class to generate MP-compatible VASP GGA static input sets."""