use encode

Author: madhur-ob

metaflow/package/__init__.py

@@ -221,7 +221,7 @@ def _make(self):
             for content, arcname in self._code_env.content(
                 AddToPackageType.CONFIG_CONTENT
             ):
-                archive.add_data(BytesIO(content), arcname=arcname)
+                archive.add_data(BytesIO(content.encode()), arcname=arcname)
 
             # Package the user code
             for path, arcname in self._user_code_tuples():