py: Support closures with default args.
diff --git a/py/compile.c b/py/compile.c
index 0a10b81..dc001cd 100644
--- a/py/compile.c
+++ b/py/compile.c
@@ -766,6 +766,9 @@
 
 // stuff for lambda and comprehensions and generators
 void close_over_variables_etc(compiler_t *comp, scope_t *this_scope, int n_dict_params, int n_default_params) {
+    if (n_default_params) {
+        EMIT_ARG(build_tuple, n_default_params);
+    }
     // make closed over variables, if any
     // ensure they are closed over in the order defined in the outer scope (mainly to agree with CPython)
     int nfree = 0;