code: def test_annotation_put_schema_short_descr_null() -> None:
      with pytest.raises(ValidationError):
          AnnotationPutSchema().load({"short_descr": None})
  
imports: import pytest
  from marshmallow.exceptions import ValidationError
  from superset.annotation_layers.annotations.schemas import AnnotationPostSchema, AnnotationPutSchema
  from superset.annotation_layers.schemas import AnnotationLayerPostSchema, AnnotationLayerPutSchema
  from tests.unit_tests.annotation_layers.fixtures import END_DTTM, END_STR, START_DTTM, START_STR
label_desc: Use image node_id 14 for calling a global function with example usage: test_annotation_put_schema_short_descr_null() without return types