Minor FileUploadField corrections

flask_admin/form/upload.py

@@ -314,6 +314,9 @@ class ImageUploadField(FileUploadField):
             :param max_size:
                 Tuple of (width, height, force) or None. If provided, Flask-Admin will
                 resize image to the desired size.
+                
+                Width and height is in pixels. If `force` is set to `True`, will try to fit image into dimensions and
+                keep aspect ratio, otherwise will just resize to target size.
             :param thumbgen:
                 Thumbnail filename generation function. All thumbnails will be saved as JPEG files,
                 so there's no need to keep original file extension.
@@ -391,7 +394,7 @@ class ImageUploadField(FileUploadField):
         path = self._get_path(filename)
 
         if not op.exists(op.dirname(path)):
-            os.makedirs(os.path.dirname(path), self.permission)
+            os.makedirs(os.path.dirname(path), self.permission | 0o111)
 
         # Figure out format
         filename, format = self._get_save_format(filename, self.image)