3.9 support

bbcho · bbcho · commit 6c4f77ccfefc · 2025-12-12T22:28:07.000-07:00
diff --git a/ggplotly/aes.py b/ggplotly/aes.py
@@ -162,7 +162,9 @@ def __repr__(self) -> str:
 
 
 # Type alias for aesthetic values
-AesValue = str | after_stat | after_scale | stage | float | int | None
+# Using Union for runtime compatibility with Python 3.9
+from typing import Union
+AesValue = Union[str, after_stat, after_scale, stage, float, int, None]
 
 
 class aes:
