fix bug in Python export tool re. non-value blocks as arguments

1 files changed, 6 insertions, 2 deletions

diff --git a/TurtleArt/taexportpython.py b/TurtleArt/taexportpython.py
index 88a73a0..cde39e9 100644
--- a/TurtleArt/taexportpython.py
+++ b/TurtleArt/taexportpython.py
@@ -192,15 +192,19 @@ def _walk_action_stack(top_block, lc):
         else:
             # embedded stack of blocks (body of conditional or loop) or
             # argument block
-            new_arg_asts = _walk_action_stack(conn, lc)
             if dock[0] == 'flow':
                 # body of conditional or loop
+                new_arg_asts = _walk_action_stack(conn, lc)
                 if prim == LogoCode.prim_loop:
                     new_arg_asts.append(_ast_yield_true())
                 arg_asts.append(new_arg_asts)
             else:
                 # argument block
-                arg_asts.append(*new_arg_asts)
+                if conn.is_value_block():
+                    new_arg_asts = _walk_action_stack(conn, lc)
+                    arg_asts.append(*new_arg_asts)
+                else:
+                    arg_asts.append(_get_prim(conn))
 
     # finish off last block
     _finish_off(block, prim)