diff --git a/lib/assets/libs/dis.js b/lib/assets/libs/dis.js
new file mode 100644
--- /dev/null
+++ b/lib/assets/libs/dis.js
@@ -0,0 +1,11 @@
+var $module=(function($B){
+
+var mod = {
+    dis:function(src){
+        $B.$py_module_path['__main__'] = $B.brython_path
+        return __BRYTHON__.py2js(src,'__main__','__main__','__builtins__').to_js()
+    }
+}
+return mod
+
+})(__BRYTHON__)
\ No newline at end of file