diff --git a/stubs/txzmq/compat.pyi b/stubs/txzmq/compat.pyi
new file mode 100644
--- /dev/null
+++ b/stubs/txzmq/compat.pyi
@@ -0,0 +1,11 @@
+# Stubs for txzmq.compat (Python 3)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+PY3: Any
+binary_string_type = bytes
+binary_string_type = str
+
+def is_nonstr_iter(v: Any): ...