fix: wrap call to storage path in NotImplementedError

Admin page calls contents.os_path(), and if the storage backend doesn't
support `path`, we can't even load the admin page for that asset.

openedx_learning/apps/authoring/contents/models.py

@@ -6,6 +6,7 @@
 from __future__ import annotations
 
 from functools import cache, cached_property
+from logging import getLogger
 
 from django.conf import settings
 from django.core.exceptions import ImproperlyConfigured, ValidationError
@@ -19,6 +20,8 @@
 from ....lib.managers import WithRelationsManager
 from ..publishing.models import LearningPackage
 
+logger = getLogger()
+
 __all__ = [
     "MediaType",
     "Content",
@@ -316,8 +319,11 @@ def os_path(self):
 
         This will return ``None`` if there is no backing file (has_file=False).
         """
-        if self.has_file:
-            return get_storage().path(self.path)
+        try:
+            if self.has_file:
+                return get_storage().path(self.path)
+        except NotImplementedError as err:
+            logger.exception(err)
         return None
 
     def read_file(self) -> File: