diff --git a/stubs/pydu/dt.pyi b/stubs/pydu/dt.pyi
new file mode 100644
index 0000000..2f3e692
--- /dev/null
+++ b/stubs/pydu/dt.pyi
@@ -0,0 +1,6 @@
+from typing import Callable
+
+
+class timer(object):
+    elapsed = ... # type: float
+    print_func = ... # type: Callable