class_docstr: Computes the absolute value of a number.
  
  Examples:
      >>> absolute = Absolute()
      >>> absolute([3.0, -5.0, -2.4]).tolist()
      [3.0, 5.0, 2.4]
code: def get_function(self):
      return np.absolute
  
imports: import numpy
  from woodwork.column_schema import ColumnSchema
  from featuretools.primitives.base import TransformPrimitive
  from featuretools.utils.gen_utils import Library
label_desc: Use image node_id 1 for calling the Absolute obj's underlying member method code with example usage: obj.get_function() and returns: np