text: import _plotly_utils.basevalidators
  
  
  class YcalendarValidator(_plotly_utils.basevalidators.EnumeratedValidator):
      def __init__(
          self, plotly_name="ycalendar", parent_name="histogram2dcontour", **kwargs
      ):
          super(YcalendarValidator, self).__init__(
              plotly_name=plotly_name,
              parent_name=parent_name,
              edit_type=kwargs.pop("edit_type", "calc"),
              values=kwargs.pop(
                  "values",
                  [
                      "chinese",
                      "coptic",
                      "discworld",
                      "ethiopian",
                      "gregorian",
                      "hebrew",
                      "islamic",
                      "jalali",
                      "julian",
                      "mayan",
                      "nanakshahi",
                      "nepali",
                      "persian",
                      "taiwan",
                      "thai",
                      "ummalqura",
                  ],
              ),
              **kwargs,
          )
  