class_docstr: Traitlet defining the initial viewport for a map.
class_docstr_tok: ["Traitlet","defining","the","initial","viewport","for","a","map","."]
code: def __init__(self, **metadata):
      trait_types = [Enum(["DATA_BOUNDS"]), Instance(_ZoomCenter)]
      super(InitialViewport, self).__init__(trait_types, **metadata)
  
imports: import ipywidgets
  from traitlets import Unicode, default, List, Instance, observe, Dict, HasTraits, Enum, Union
  from .bounds import merge_longitude_bounds
  from .geotraitlets import Point, ZoomLevel, MapType, MouseHandling, Tilt
  from ._docutils import doc_subst
  from ._version import CLIENT_VERSION
label_desc: Use image node_id 1 to create a new InitialViewport object from inherited base classes: Union with example: obj = InitialViewport()