stackboost/core.py
def is_leaf(self):
        """
        The function used to check whether the DecisionNode is a leaf.
        """
        return not self.value is None

        The function used to check whether the DecisionNode is a leaf.
        
The function used to check whether the DecisionNode is a leaf.
The function used to check whether the DecisionNode is a leaf .
def is_leaf(self):
        return not self.value is None
def is_leaf ( self ) : return not self . value is None
The function used to check whether the DecisionNode is a leaf.
The function used to check whether the DecisionNode is a leaf .
"""
        The function used to check whether the DecisionNode is a leaf.
        """
self