diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index b76be78413c..302e43fa751 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -13,7 +13,7 @@
 /scripts/live_test @qwordy
 /src/azure-cli-testsdk/ @jsntcy @jiasli @kairu-ms @qwordy
 /src/azure-cli-core/ @jiasli @Juliehzl @fengzhou-msft @evelyn-ys @jsntcy @houk-ms
-/src/azure-cli-core/azure/cli/core/extension/ @msyyc
+/src/azure-cli-core/azure/cli/core/extension/ @msyyc @fengzhou-msft
 /src/azure-cli/azure/cli/command_modules/acr/ @djyou @fengzhou-msft @yungezz
 /src/azure-cli/azure/cli/command_modules/acs/ @rjtsdl @fengzhou-msft
 /src/azure-cli/azure/cli/command_modules/advisor/ @Prasanna-Padmanabhan
diff --git a/src/azure-cli-core/azure/cli/core/util.py b/src/azure-cli-core/azure/cli/core/util.py
index 50c19b33802..9f242379b85 100644
--- a/src/azure-cli-core/azure/cli/core/util.py
+++ b/src/azure-cli-core/azure/cli/core/util.py
@@ -715,11 +715,9 @@ def get_command_type_kwarg(custom_command=False):
 
 def reload_module(module):
     # reloading the imported module to update
-    try:
+    if module in sys.modules:
         from importlib import reload
-    except ImportError:
-        pass  # for python 2
-    reload(sys.modules[module])
+        reload(sys.modules[module])
 
 
 def get_default_admin_username():