category_encoders/basen.py
def col_transform(self, col, digits):
        """
        The lambda body to transform the column values
        """

        if col is None or float(col) < 0.0:
            return None
        else:
            col = self.number_to_base(int(col), self.base, digits)
            if len(col) == digits:
                return col
            else:
                return [0 for _ in range(digits - len(col))] + col
def col_transform(self, col, digits):
        """
        The lambda body to transform the column values
        """

        if col is None or float(col) < 0.0:
            return None
        else:
            col = self.number_to_base(int(col), self.base, digits)
            if len(col) == digits:
                return col
            else:
                return [0 for _ in range(digits - len(col))] + col
The lambda body to transform the column values