Use Avalon scene save.

pype/plugins/harmony/publish/extract_render.py

@@ -42,7 +42,6 @@ class ExtractRender(pyblish.api.InstancePlugin):
         func = """function func(args)
         {
             node.setTextAttr(args[0], "DRAWING_NAME", 1, args[1]);
-            scene.saveAll();
         }
         func
         """
@@ -52,6 +51,7 @@ class ExtractRender(pyblish.api.InstancePlugin):
                 "args": [instance[0], path + "/" + instance.data["name"]]
             }
         )
+        harmony.save_scene()
 
         # Execute rendering.
         output = pype.lib._subprocess([application_path, "-batch", scene_path])

pype/plugins/harmony/publish/extract_save_scene.py

@@ -1,14 +0,0 @@
-import pyblish.api
-from avalon import harmony
-
-
-class ExtractSaveScene(pyblish.api.ContextPlugin):
-    """Save the scene."""
-
-    label = "Extract Save Scene"
-    order = pyblish.api.ExtractorOrder - 0.49
-    hosts = ["harmony"]
-    families = ["render"]
-
-    def process(self, instance):
-        harmony.send({"function": "scene.saveAll"})