class_docstr: Determines the is_month_end attribute of a datetime column.
  
  Examples:
      >>> from datetime import datetime
      >>> dates = [datetime(2019, 3, 1),
      ...          datetime(2021, 2, 28),
      ...          datetime(2020, 2, 29)]
      >>> ime = IsMonthEnd()
      >>> ime(dates).tolist()
      [False, True, True]
code: def get_function(self):
      def is_month_end(vals):
          return vals.dt.is_month_end
  
      return is_month_end
  
imports: from woodwork.column_schema import ColumnSchema
  from woodwork.logical_types import BooleanNullable, Datetime
  from featuretools.primitives.base import TransformPrimitive
  from featuretools.utils.gen_utils import Library
label_desc: Use image node_id 1 for calling the IsMonthEnd obj's underlying member method code with example usage: obj.get_function() and returns: is_month_end, vals