class_docstr: Widget that has a description label to the side.
class_docstr_tok: ["Widget","that","has","a","description","label","to","the","side","."]
code: def _repr_keys(self):
      for key in super()._repr_keys():
          # Exclude style if it had the default value
          if key == "style":
              value = getattr(self, key)
              if repr(value) == "%s()" % value.__class__.__name__:
                  continue
          yield key
  
file_path: catboost/contrib/python/ipywidgets/py3/ipywidgets/widgets/widget_description.py
imports: from traitlets import Bool, Unicode
  from .widget import Widget, widget_serialization, register
  from .trait_types import InstanceDict
  from .widget_style import Style
  from .widget_core import CoreWidget
  from .domwidget import DOMWidget
  from .utils import deprecation
  import warnings
label_desc: Use image node_id 2 for calling the DescriptionWidget obj's underlying member method code with example usage: obj._repr_keys() without return types