diff --git a/stubs/scales/aggregation_test.pyi b/stubs/scales/aggregation_test.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/scales/aggregation_test.pyi
@@ -0,0 +1,9 @@
+# Stubs for scales.aggregation_test (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+import unittest
+
+class AggregationTest(unittest.TestCase):
+    def testNoData(self) -> None: ...
+    def testRegex(self) -> None: ...