from __builtin__ import ArithmeticError
from __builtin__ import AssertionError
from __builtin__ import AttributeError
from __builtin__ import BaseException
from __builtin__ import BufferError
from __builtin__ import BytesWarning
from __builtin__ import DeprecationWarning
from __builtin__ import EOFError
from __builtin__ import EnvironmentError
from __builtin__ import Exception
from __builtin__ import FloatingPointError
from __builtin__ import FutureWarning
from __builtin__ import GeneratorExit
from __builtin__ import IOError
from __builtin__ import ImportError
from __builtin__ import ImportWarning
from __builtin__ import IndentationError
from __builtin__ import IndexError
from __builtin__ import KeyError
from __builtin__ import KeyboardInterrupt
from __builtin__ import LookupError
from __builtin__ import MemoryError
from __builtin__ import NameError
from __builtin__ import NotImplementedError
from __builtin__ import OSError
from __builtin__ import OverflowError
from __builtin__ import PendingDeprecationWarning
from __builtin__ import RuntimeError
from __builtin__ import RuntimeWarning
from __builtin__ import StandardError
from __builtin__ import StopIteration
from __builtin__ import SyntaxError
from __builtin__ import SyntaxWarning
from __builtin__ import SystemError
from __builtin__ import SystemExit
from __builtin__ import TabError
from __builtin__ import TypeError
from __builtin__ import UnboundLocalError
from __builtin__ import UnicodeError
from __builtin__ import UnicodeDecodeError
from __builtin__ import UnicodeEncodeError
from __builtin__ import UnicodeTranslateError
from __builtin__ import UnicodeWarning
from __builtin__ import UserWarning
from __builtin__ import ValueError
from __builtin__ import Warning
from __builtin__ import ZeroDivisionError

class ReferenceError(StandardError): ...