Update the return of update_firmware for the image not exist case (#306)

sujinmkang · qiluo-msft · commit 6722b4ee741a · 2022-10-12T23:31:48.000Z
* update the return for update_firmware api's failure case when the image file doesn't exist

* update comments

* update comment

* update comment
diff --git a/sonic_platform_base/component_base.py b/sonic_platform_base/component_base.py
@@ -99,6 +99,10 @@ def update_firmware(self, image_path):
         Args:
             image_path: A string, path to firmware image
 
+        Returns:
+            Boolean False if image_path doesn't exist instead of throwing an exception error
+            Nothing when the update is successful
+
         Raises:
             RuntimeError: update failed
         """
