class_docstr: Marshmallow validation error for annotation layer name already exists
class_docstr_tok: ["Marshmallow","validation","error","for","annotation","layer","name","already","exists"]
code: def __init__(self) -> None:
      super().__init__([_("Name must be unique")], field_name="name")
  
file_path: superset/superset/commands/annotation_layer/exceptions.py
imports: from flask_babel import lazy_gettext
  from superset.commands.exceptions import CommandException, CommandInvalidError, CreateFailedError, DeleteFailedError, ValidationError
label_desc: Use image node_id 1 to create a new AnnotationLayerNameUniquenessValidationError object from inherited base classes: ValidationError with example: obj = AnnotationLayerNameUniquenessValidationError()