move reload_bg_list in operator

import_planes/core.py

@@ -155,4 +155,4 @@ def import_planes(images, import_type='GPENCIL', mode='REPLACE', image_size=None
 
         far_plane += 2
 
-    reload_bg_list(scene=scn) 
+    

import_planes/operators.py

@@ -18,7 +18,7 @@ from pathlib import Path
 from .. import core
 from .. constants import *
 from .. export_psd_layers import export_psd_bg
-from . core import import_planes, get_json_infos
+from . core import import_planes, get_json_infos, reload_bg_list
 
 
 
@@ -113,7 +113,7 @@ class BPM_OT_import_bg_images(bpy.types.Operator, ImportHelper):
         ## list of Tuples : [(plane_object, img_data, transparency_value), ...]
 
         import_planes(file_list, import_type=self.import_type, image_size=org_image_size)
-
+        reload_bg_list(scene=scn)
 
         return {"FINISHED"}