Disable edxnotes for blockstore runtime.

Blockstore runtime does not support courses currently and it will
not have the modulestore attribute in any case.

lms/djangoapps/edxnotes/decorators.py

@@ -24,6 +24,11 @@ def edxnotes(cls):
         """
         # Import is placed here to avoid model import at project startup.
         from edxnotes.helpers import generate_uid, get_edxnotes_id_token, get_public_endpoint, get_token_url, is_feature_enabled
+
+        runtime = getattr(self, 'descriptor', self).runtime
+        if not hasattr(runtime, 'modulestore'):
+            return original_get_html(self, *args, **kwargs)
+
         is_studio = getattr(self.system, "is_author_mode", False)
         course = getattr(self, 'descriptor', self).runtime.modulestore.get_course(self.runtime.course_id)
 

lms/djangoapps/edxnotes/tests.py

@@ -172,6 +172,13 @@ class EdxNotesDecoratorTest(ModuleStoreTestCase):
         self.problem.system.is_author_mode = True
         self.assertEqual("original_get_html", self.problem.get_html())
 
+    def test_edxnotes_blockstore_runtime(self):
+        """
+        Tests that get_html is not wrapped when problem is rendered by Blockstore runtime.
+        """
+        del self.problem.descriptor.runtime.modulestore
+        self.assertEqual("original_get_html", self.problem.get_html())
+
     def test_edxnotes_harvard_notes_enabled(self):
         """
         Tests that get_html is not wrapped when Harvard Annotation Tool is enabled.