diff --git a/common/djangoapps/util/tests/test_sandboxing.py b/common/djangoapps/util/tests/test_sandboxing.py
index a1c06172ed13..e544a07e8585 100644
--- a/common/djangoapps/util/tests/test_sandboxing.py
+++ b/common/djangoapps/util/tests/test_sandboxing.py
@@ -7,7 +7,7 @@
 from django.test import TestCase
 from django.test.utils import override_settings
 from opaque_keys.edx.keys import CourseKey
-from opaque_keys.edx.locator import CourseLocator, LibraryLocator
+from opaque_keys.edx.locator import CourseLocator, LibraryLocator, LibraryLocatorV2
 
 from xmodule.contentstore.django import contentstore
 from xmodule.modulestore.tests.django_utils import upload_file_to_course
@@ -114,3 +114,20 @@ def test_get_python_lib_zip(self):
 
     def test_no_python_lib_zip(self):
         assert self.sandbox_service.get_python_lib_zip() is None
+
+
+class SandboxServiceForLibrariesV2Test(TestCase):
+    """
+    Test SandboxService methods for V2 Content Libraries.
+
+    (Lacks tests for anything other than python_lib_zip)
+    """
+
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        library_key = LibraryLocatorV2('test', 'sandbox_test')
+        cls.sandbox_service = SandboxService(course_id=library_key, contentstore=contentstore)
+
+    def test_no_python_lib_zip(self):
+        assert self.sandbox_service.get_python_lib_zip() is None
diff --git a/xmodule/util/sandboxing.py b/xmodule/util/sandboxing.py
index 298f421b74da..01e897adeca2 100644
--- a/xmodule/util/sandboxing.py
+++ b/xmodule/util/sandboxing.py
@@ -3,6 +3,7 @@
 import re
 
 from django.conf import settings
+from opaque_keys.edx.keys import CourseKey, LearningContextKey
 
 DEFAULT_PYTHON_LIB_FILENAME = 'python_lib.zip'
 
@@ -39,10 +40,14 @@ def can_execute_unsafe_code(course_id):
     return False
 
 
-def get_python_lib_zip(contentstore, course_id):
+def get_python_lib_zip(contentstore, context_key: LearningContextKey):
     """Return the bytes of the course code library file, if it exists."""
+    if not isinstance(context_key, CourseKey):
+        # Although Content Libraries V2 does support python-evaluated capa problems,
+        # it doesn't yet support supplementary python zip files.
+        return None
     python_lib_filename = course_code_library_asset_name()
-    asset_key = course_id.make_asset_key("asset", python_lib_filename)
+    asset_key = context_key.make_asset_key("asset", python_lib_filename)
     zip_lib = contentstore().find(asset_key, throw_on_not_found=False)
     if zip_lib is not None:
         return zip_lib.data