diff --git a/direct/src/showbase/ShowBaseGlobal.py b/direct/src/showbase/ShowBaseGlobal.py
index 3e656c045f..4cd4e8623b 100644
--- a/direct/src/showbase/ShowBaseGlobal.py
+++ b/direct/src/showbase/ShowBaseGlobal.py
@@ -64,8 +64,6 @@ hidden = NodePath("hidden")
 
 loader: Loader
 
-direct: "DirectSession"
-
 # Set direct notify categories now that we have config
 directNotify.setDconfigLevels()
 
diff --git a/direct/src/tkpanels/Inspector.py b/direct/src/tkpanels/Inspector.py
index 29bebcf16f..51e448f30d 100644
--- a/direct/src/tkpanels/Inspector.py
+++ b/direct/src/tkpanels/Inspector.py
@@ -11,6 +11,7 @@ so that I can just type: ``inspect(anObject)`` any time.
 See :ref:`inspection-utilities` for more information.
 """
 
+from __future__ import annotations
 
 __all__ = ['inspect', 'inspectorFor', 'Inspector', 'ModuleInspector', 'ClassInspector', 'InstanceInspector', 'FunctionInspector', 'InstanceMethodInspector', 'CodeInspector', 'ComplexInspector', 'DictionaryInspector', 'SequenceInspector', 'SliceInspector', 'InspectorWindow']
 
@@ -31,7 +32,7 @@ def inspect(anObject):
 
 ### private
 
-_InspectorMap: "dict[str, str]"
+_InspectorMap: dict[str, str]
 
 
 def inspectorFor(anObject):
diff --git a/direct/src/wxwidgets/WxPandaShell.py b/direct/src/wxwidgets/WxPandaShell.py
index 09e15add96..853be93206 100755
--- a/direct/src/wxwidgets/WxPandaShell.py
+++ b/direct/src/wxwidgets/WxPandaShell.py
@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import wx
 from wx.lib.agw import fourwaysplitter as FWS
 
@@ -9,8 +11,6 @@ from direct.task.TaskManagerGlobal import taskMgr
 from .WxAppShell import WxAppShell
 from .ViewPort import Viewport, ViewportManager
 
-from typing import Optional
-
 ID_FOUR_VIEW = 401
 ID_TOP_VIEW = 402
 ID_FRONT_VIEW = 403
@@ -27,7 +27,7 @@ class WxPandaShell(WxAppShell):
     copyright       = ('Copyright 2010 Disney Online Studios.' +
                        '\nAll Rights Reserved.')
 
-    MENU_TEXTS: dict[int, tuple[str, Optional[str]]] = {
+    MENU_TEXTS: dict[int, tuple[str, str | None]] = {
         ID_FOUR_VIEW: ("Four Views", None),
         ID_TOP_VIEW: ("Top View", None),
         ID_FRONT_VIEW: ("Front View", None),
diff --git a/tests/run_mypy.py b/tests/run_mypy.py
index df27d80cda..30c1624888 100644
--- a/tests/run_mypy.py
+++ b/tests/run_mypy.py
@@ -1,7 +1,7 @@
-import os
 import pathlib
 import shutil
 import subprocess
+import sys
 import tempfile
 
 
@@ -10,15 +10,16 @@ def main():
     direct_src = root / 'direct' / 'src'
     mypy_config = root / 'mypy.ini'
     with tempfile.TemporaryDirectory() as temp_dir:
-        os.environ['MYPYPATH'] = temp_dir
         direct_copy = pathlib.Path(temp_dir, 'direct')
         shutil.copytree(direct_src, direct_copy)
-        subprocess.run([
+        command = [
             'mypy',
-            str(direct_copy),
+            str(direct_copy.resolve()),
             '--config-file',
-            str(mypy_config),
-        ])
+            str(mypy_config.resolve()),
+        ]
+        result = subprocess.run(command, cwd=temp_dir)
+    sys.exit(result.returncode)
 
 
 if __name__ == '__main__':