diff --git a/gdb-port/tests/unit/ast.py b/gdb-port/tests/unit/ast.py
new file mode 100644
index 0000000000000000000000000000000000000000..04fa5d4f4dfe1cf4aa258b64c73fc29c354def37
--- /dev/null
+++ b/gdb-port/tests/unit/ast.py
@@ -0,0 +1,2 @@
+import unittest
+import unittest.mock