Make a clean copy of the 'code' when updating state

mfp/builtins/pyfunc.py

@@ -329,7 +329,6 @@ def __init__(self, init_type, init_args, patch, scope, name, defs=None):
         self.thunk = patch.parse_obj(thunktxt)
 
         arguments = get_arglist(self.thunk)
-
         if arguments is not None:
             self.argcount = len(arguments)
             self.doc_tooltip_inlet = []

mfp/gui/base_element.py

@@ -342,7 +342,7 @@ async def move(self, x, y, **kwargs):
 
     @saga('code')
     async def code_changed(self, action, state_diff, previous):
-        self.send_params()
+        yield self.send_params()
 
     @mutates('obj_state')
     async def delete(self, delete_obj=True):

mfp/gui/imgui/app_window/info_panel.py

@@ -89,7 +89,7 @@ def render_code_editors(app_window):
             if imgui.begin_menu("File"):
                 selected, _ = imgui.menu_item("Save", "", False)
                 if selected:
-                    new_val = target.code or {}
+                    new_val = {**target.code} if target.code else {}
                     new_val["body"] = editor.get_text()
                     new_val["lang"] = "python"
                     new_val["errorinfo"] = None

mfp/gui/processor_element.py

@@ -87,9 +87,9 @@ async def recreate_element(self, action, state_diff, previous):
         # don't recreate if this is the initial creation
         if "code" not in state_diff:
             if "obj_state" in state_diff and state_diff['obj_state'][0] == None:
-                return
+                yield None
             if "obj_id" in state_diff and state_diff['obj_id'][0] == None:
-                return
+                yield None
 
         if self.obj_type:
             args = f" {self.obj_args}" if self.obj_args is not None else ''