diff --git a/Lib/_pyrepl/_module_completer.py b/Lib/_pyrepl/_module_completer.py
index 3cea986e782..ae246530bd5 100644
--- a/Lib/_pyrepl/_module_completer.py
+++ b/Lib/_pyrepl/_module_completer.py
@@ -219,8 +219,63 @@ def global_cache(self) -> list[pkgutil.ModuleInfo]:
             self._curr_sys_path = sys.path[:]
             print('getting packages')  # TEMPORARY -- debugging tests on windows
             self._global_cache = list(pkgutil.iter_modules())
-            mymods = [p for p in self._global_cache if p.name == "mymodule"]  # TEMPORARY -- debugging tests on windows
-            print("modules:", mymods, list(self.iter_submodules(mymods)))  # TEMPORARY -- debugging tests on windows
+            # === BEGIN TEMPORARY -- debugging tests on windows ===
+            mymod = next((p for p in self._global_cache if p.name == "mymodule"), None)  
+            if mymod:
+                spec = mymod.module_finder.find_spec(mymod.name, None)
+                if spec:
+                    print("1")
+                    assert spec.submodule_search_locations and len(spec.submodule_search_locations) == 1
+                    print("2")
+                    importer = pkgutil.get_importer(spec.submodule_search_locations[0])
+                    print("3")
+                    assert importer and isinstance(importer, FileFinder)
+                    print("4")
+                    if importer.path is None or not os.path.isdir(importer.path):
+                        print("4a")
+                        return
+                    yielded = {}
+                    import inspect
+                    try:
+                        filenames = os.listdir(importer.path)
+                    except OSError:
+                        # ignore unreadable directories like import does
+                        print("4b")
+                        filenames = []
+                    print("4c", filenames)
+                    filenames.sort()  # handle packages before same-named modules
+                    submods = []
+                    for fn in filenames:
+                        print("4d", fn)
+                        modname = inspect.getmodulename(fn)
+                        print("4e", modname)
+                        if modname=='__init__' or modname in yielded:
+                            print("4f", modname)
+                            continue
+                        path = os.path.join(importer.path, fn)
+                        ispkg = False
+                        if not modname and os.path.isdir(path) and '.' not in fn:
+                            print("4g")
+                            modname = fn
+                            try:
+                                dircontents = os.listdir(path)
+                            except OSError:
+                                # ignore unreadable directories like import does
+                                dircontents = []
+                            for fn in dircontents:
+                                subname = inspect.getmodulename(fn)
+                                if subname=='__init__':
+                                    ispkg = True
+                                    break
+                            else:
+                                continue    # not a package
+                        if modname and '.' not in modname:
+                            print("4h")
+                            yielded[modname] = 1
+                            submods.append((importer, modname, ispkg))
+                        print("4i")
+                    print("module:", mymod, submods)  
+            # === END TEMPORARY ===
         return self._global_cache