def __init__(self, pdf, schema, i, name_to_column_map):
    self.pdf = pdf
    self.schema = schema
    self.i = i
    self.name_to_column_map = name_to_column_map
def __init__(self, pdf, schema, i, name_to_column_map):
    self.pdf = pdf
    self.schema = schema
    self.i = i
    self.name_to_column_map = name_to_column_map