diff --git a/src/apic-extension/azext_apic_extension/__init__.py b/src/apic-extension/azext_apic_extension/__init__.py
index 306e1026397..eb668228785 100644
--- a/src/apic-extension/azext_apic_extension/__init__.py
+++ b/src/apic-extension/azext_apic_extension/__init__.py
@@ -4,7 +4,7 @@
 #
 # Code generated by aaz-dev-tools
 # --------------------------------------------------------------------------------------------
-from typing import TypeGuard, Type
+from typing import Type
 
 from azure.cli.core import AzCommandsLoader
 from azure.cli.core.aaz import AAZCommand
@@ -42,7 +42,7 @@ def load_arguments(self, command):
         load_arguments(self, command)
 
 
-def is_aaz_command_subclass(value: Type) -> TypeGuard[AAZCommand]:
+def is_aaz_command_subclass(value: Type) -> bool:
     return isinstance(value, type) and issubclass(value, AAZCommand)
 
 def load_command_patches(loader: AzCommandsLoader) -> None: