2 files changed, 5 insertions, 3 deletions
diff --git a/mesonbuild/modules/python.py b/mesonbuild/modules/python.py
index bb6b9ab..d03f951 100644
--- a/mesonbuild/modules/python.py
+++ b/mesonbuild/modules/python.py
@@ -28,6 +28,7 @@ from ..dependencies import DependencyMethods, PkgConfigDependency, NotFoundDepen
 from ..dependencies.base import process_method_kw
 from ..environment import detect_cpu_family
 from ..interpreter import ExternalProgramHolder, extract_required_kwarg, permitted_dependency_kwargs
+from ..interpreter.type_checking import NoneType
 from ..interpreterbase import (
     noPosargs, noKwargs, permittedKwargs, ContainerTypeInfo,
     InvalidArguments, typed_pos_args, typed_kwargs, KwargInfo,
@@ -484,7 +485,7 @@ class PythonInstallation(ExternalProgramHolder):
 
     @typed_pos_args('install_data', varargs=(str, mesonlib.File))
     @typed_kwargs('python_installation.install_sources', _PURE_KW, _SUBDIR_KW,
-                  KwargInfo('install_tag', str, since='0.60.0'))
+                  KwargInfo('install_tag', (str, NoneType), since='0.60.0'))
     def install_sources_method(self, args: T.Tuple[T.List[T.Union[str, mesonlib.File]]],
                                kwargs: 'PyInstallKw') -> 'Data':
         tag = kwargs['install_tag'] or 'runtime'
diff --git a/mesonbuild/modules/qt.py b/mesonbuild/modules/qt.py
index 9a1220f..3ee5bb2 100644
--- a/mesonbuild/modules/qt.py
+++ b/mesonbuild/modules/qt.py
@@ -26,6 +26,7 @@ from ..dependencies import find_external_dependency, Dependency, ExternalLibrary
 from ..mesonlib import MesonException, File, FileOrString, version_compare, Popen_safe
 from . import ModuleReturnValue, ExtensionModule
 from ..interpreter import extract_required_kwarg
+from ..interpreter.type_checking import NoneType
 from ..interpreterbase import ContainerTypeInfo, FeatureDeprecated, KwargInfo, noPosargs, FeatureNew, typed_kwargs
 from ..programs import ExternalProgram, NonExistingExternalProgram
 
@@ -510,9 +511,9 @@ class QtBaseModule(ExtensionModule):
         'qt.compile_translations',
         KwargInfo('build_by_default', bool, default=False),
         KwargInfo('install', bool, default=False),
-        KwargInfo('install_dir', str),
+        KwargInfo('install_dir', (str, NoneType)),
         KwargInfo('method', str, default='auto'),
-        KwargInfo('qresource', str, since='0.56.0'),
+        KwargInfo('qresource', (str, NoneType), since='0.56.0'),
         KwargInfo('rcc_extra_arguments', ContainerTypeInfo(list, str), listify=True, default=[], since='0.56.0'),
         KwargInfo('ts_files', ContainerTypeInfo(list, (str, File, build.CustomTarget, build.CustomTargetIndex, build.GeneratedList)), listify=True, default=[]),
     )