fix mask_dir

iopaint/file_manager/file_manager.py

@@ -81,6 +81,8 @@ class FileManager:
 
     @staticmethod
     def _media_names(directory: Path) -> List[MediasResponse]:
+        if directory is None:
+            return []
         names = sorted([it.name for it in glob_img(directory)])
         res = []
         for name in names:

iopaint/web_config.py

@@ -44,6 +44,7 @@ default_configs = dict(
     cpu_textencoder=False,
     device=Device.cuda,
     input=None,
+    mask_dir=None,
     output_dir=None,
     quality=95,
     enable_interactive_seg=False,