4 files changed, 29 insertions, 9 deletions
diff --git a/mesonbuild/modules/qt4.py b/mesonbuild/modules/qt4.py
index b8948f7f4..6bdf1c51d 100644
--- a/mesonbuild/modules/qt4.py
+++ b/mesonbuild/modules/qt4.py
@@ -12,17 +12,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+import typing as T
+
 from .qt import QtBaseModule
 from . import ModuleInfo
 
+if T.TYPE_CHECKING:
+    from ..interpreter import Interpreter
+
 
 class Qt4Module(QtBaseModule):
 
     INFO = ModuleInfo('qt4')
 
-    def __init__(self, interpreter):
+    def __init__(self, interpreter: Interpreter):
         QtBaseModule.__init__(self, interpreter, qt_version=4)
 
 
-def initialize(*args, **kwargs):
-    return Qt4Module(*args, **kwargs)
+def initialize(interp: Interpreter) -> Qt4Module:
+    return Qt4Module(interp)
diff --git a/mesonbuild/modules/qt5.py b/mesonbuild/modules/qt5.py
index 3933ea033..d9f0a5ecd 100644
--- a/mesonbuild/modules/qt5.py
+++ b/mesonbuild/modules/qt5.py
@@ -12,17 +12,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+import typing as T
+
 from .qt import QtBaseModule
 from . import ModuleInfo
 
+if T.TYPE_CHECKING:
+    from ..interpreter import Interpreter
+
 
 class Qt5Module(QtBaseModule):
 
     INFO = ModuleInfo('qt5')
 
-    def __init__(self, interpreter):
+    def __init__(self, interpreter: Interpreter):
         QtBaseModule.__init__(self, interpreter, qt_version=5)
 
 
-def initialize(*args, **kwargs):
-    return Qt5Module(*args, **kwargs)
+def initialize(interp: Interpreter) -> Qt5Module:
+    return Qt5Module(interp)
diff --git a/mesonbuild/modules/qt6.py b/mesonbuild/modules/qt6.py
index 66fc43f27..cafc531af 100644
--- a/mesonbuild/modules/qt6.py
+++ b/mesonbuild/modules/qt6.py
@@ -12,17 +12,22 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+from __future__ import annotations
+import typing as T
+
 from .qt import QtBaseModule
 from . import ModuleInfo
 
+if T.TYPE_CHECKING:
+    from ..interpreter import Interpreter
 
 class Qt6Module(QtBaseModule):
 
     INFO = ModuleInfo('qt6', '0.57.0')
 
-    def __init__(self, interpreter):
+    def __init__(self, interpreter: Interpreter):
         QtBaseModule.__init__(self, interpreter, qt_version=6)
 
 
-def initialize(*args, **kwargs):
-    return Qt6Module(*args, **kwargs)
+def initialize(interp: Interpreter) -> Qt6Module:
+    return Qt6Module(interp)
diff --git a/run_mypy.py b/run_mypy.py
index 119ee39d7..cb974f312 100755
--- a/run_mypy.py
+++ b/run_mypy.py
@@ -51,6 +51,9 @@ modules = [
     'mesonbuild/modules/modtest.py',
     'mesonbuild/modules/pkgconfig.py',
     'mesonbuild/modules/qt.py',
+    'mesonbuild/modules/qt4.py',
+    'mesonbuild/modules/qt5.py',
+    'mesonbuild/modules/qt6.py',
     'mesonbuild/modules/rust.py',
     'mesonbuild/modules/sourceset.py',
     'mesonbuild/modules/wayland.py',