refactor: remove redundant hasattrs due to inheritance

cms/djangoapps/contentstore/views/block.py

@@ -9,10 +9,10 @@
 from django.http import Http404, HttpResponse
 from django.utils.translation import gettext as _
 from django.views.decorators.http import require_http_methods
-from cms.djangoapps.contentstore.utils import load_services_for_studio
 from opaque_keys.edx.keys import CourseKey
 from web_fragments.fragment import Fragment
 
+from cms.djangoapps.contentstore.utils import load_services_for_studio
 from cms.lib.xblock.authoring_mixin import VISIBILITY_VIEW
 from common.djangoapps.edxmako.shortcuts import render_to_string
 from common.djangoapps.student.auth import (

cms/djangoapps/contentstore/xblock_storage_handlers/view_handlers.py

@@ -301,13 +301,10 @@ def _update_with_callback(xblock, user, old_metadata=None, old_content=None):
         old_metadata = own_metadata(xblock)
     if old_content is None:
         old_content = xblock.get_explicitly_set_fields_by_scope(Scope.content)
-    if hasattr(xblock, "editor_saved"):
-        load_services_for_studio(xblock.runtime, user)
-        xblock.editor_saved(user, old_metadata, old_content)
+    load_services_for_studio(xblock.runtime, user)
+    xblock.editor_saved(user, old_metadata, old_content)
     xblock_updated = modulestore().update_item(xblock, user.id)
-    if hasattr(xblock_updated, "post_editor_saved"):
-        load_services_for_studio(xblock_updated.runtime, user)
-        xblock_updated.post_editor_saved(user, old_metadata, old_content)
+    xblock_updated.post_editor_saved(user, old_metadata, old_content)
     return xblock_updated