Fix ModuleSpec constructor by removing unsupported 'parent' parameter

app.py

@@ -104,19 +104,18 @@ def create_in_memory_flash_attn_mock():
     # Add attributes used by transformers checks
     flash_attn.__version__ = "0.0.0-mocked"
     
-    # Create common submodules
+    # Create common submodules - FIXED to not use 'parent' parameter in ModuleSpec
     for submodule in ['flash_attn.flash_attn_interface', 'flash_attn.flash_attn_triton']:
         parts = submodule.split('.')
         parent_name = '.'.join(parts[:-1])
         child_name = parts[-1]
         parent = sys.modules[parent_name]
         
-        # Create submodule spec
+        # Create submodule spec - removed 'parent' parameter
         subspec = importlib.machinery.ModuleSpec(
             name=submodule,
             loader=DummyLoader(submodule),
-            is_package=False,
-            parent=parent
+            is_package=False
         )
         
         # Create and register submodule