diff --git a/stubs/scales/scales_test.pyi b/stubs/scales/scales_test.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/scales/scales_test.pyi
@@ -0,0 +1,55 @@
+# Stubs for scales.scales_test (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+import unittest
+from typing import Any
+
+class Root1:
+    stateStat: Any = ...
+    errorsStat: Any = ...
+    activeUrlsStat: Any = ...
+    def __init__(self) -> None: ...
+    def getChild(self, cls: Any, *args: Any): ...
+
+class Root2:
+    def __init__(self) -> None: ...
+    def getChild(self, cls: Any): ...
+
+class AggregatingRoot:
+    countStat: Any = ...
+    stateStat: Any = ...
+    errorsStat: Any = ...
+    def __init__(self) -> None: ...
+    def getChild(self, cls: Any, *args: Any): ...
+
+class AggregatingRootSubclass(AggregatingRoot): ...
+
+class TypedChild:
+    countStat: Any = ...
+    def __init__(self) -> None: ...
+
+class Child:
+    countStat: Any = ...
+    stateStat: Any = ...
+    errorsStat: Any = ...
+    def __init__(self, name: str = ...) -> None: ...
+
+class DynamicRoot:
+    value: int = ...
+    dynamicStat: Any = ...
+    def __init__(self) -> None: ...
+
+class StatsTest(unittest.TestCase):
+    def setUp(self) -> None: ...
+    def testChildTypeStats(self) -> None: ...
+    def testChildStats(self) -> None: ...
+    def testMultilevelChild(self) -> None: ...
+    def testStatSum(self) -> None: ...
+    def testStatSumWithSubclassRoot(self) -> None: ...
+    def helpTestStatSum(self, a: Any) -> None: ...
+    def testStatHistogram(self) -> None: ...
+    def testIntDictStats(self) -> None: ...
+    def testIntDictStatsAggregation(self) -> None: ...
+    def testDynamic(self) -> None: ...
+    def testCollection(self) -> None: ...