diff --git a/stdlib/2/exceptions.pyi b/stdlib/2/exceptions.pyi
index 62320951b0df..6e4bafc9a00f 100644
--- a/stdlib/2/exceptions.pyi
+++ b/stdlib/2/exceptions.pyi
@@ -1,49 +1,48 @@
-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): ...
+from __builtin__ import ArithmeticError as ArithmeticError
+from __builtin__ import AssertionError as AssertionError
+from __builtin__ import AttributeError as AttributeError
+from __builtin__ import BaseException as BaseException
+from __builtin__ import BufferError as BufferError
+from __builtin__ import BytesWarning as BytesWarning
+from __builtin__ import DeprecationWarning as DeprecationWarning
+from __builtin__ import EOFError as EOFError
+from __builtin__ import EnvironmentError as EnvironmentError
+from __builtin__ import Exception as Exception
+from __builtin__ import FloatingPointError as FloatingPointError
+from __builtin__ import FutureWarning as FutureWarning
+from __builtin__ import GeneratorExit as GeneratorExit
+from __builtin__ import IOError as IOError
+from __builtin__ import ImportError as ImportError
+from __builtin__ import ImportWarning as ImportWarning
+from __builtin__ import IndentationError as IndentationError
+from __builtin__ import IndexError as IndexError
+from __builtin__ import KeyError as KeyError
+from __builtin__ import KeyboardInterrupt as KeyboardInterrupt
+from __builtin__ import LookupError as LookupError
+from __builtin__ import MemoryError as MemoryError
+from __builtin__ import NameError as NameError
+from __builtin__ import NotImplementedError as NotImplementedError
+from __builtin__ import OSError as OSError
+from __builtin__ import OverflowError as OverflowError
+from __builtin__ import PendingDeprecationWarning as PendingDeprecationWarning
+from __builtin__ import ReferenceError as ReferenceError
+from __builtin__ import RuntimeError as RuntimeError
+from __builtin__ import RuntimeWarning as RuntimeWarning
+from __builtin__ import StandardError as StandardError
+from __builtin__ import StopIteration as StopIteration
+from __builtin__ import SyntaxError as SyntaxError
+from __builtin__ import SyntaxWarning as SyntaxWarning
+from __builtin__ import SystemError as SystemError
+from __builtin__ import SystemExit as SystemExit
+from __builtin__ import TabError as TabError
+from __builtin__ import TypeError as TypeError
+from __builtin__ import UnboundLocalError as UnboundLocalError
+from __builtin__ import UnicodeError as UnicodeError
+from __builtin__ import UnicodeDecodeError as UnicodeDecodeError
+from __builtin__ import UnicodeEncodeError as UnicodeEncodeError
+from __builtin__ import UnicodeTranslateError as UnicodeTranslateError
+from __builtin__ import UnicodeWarning as UnicodeWarning
+from __builtin__ import UserWarning as UserWarning
+from __builtin__ import ValueError as ValueError
+from __builtin__ import Warning as Warning
+from __builtin__ import ZeroDivisionError as ZeroDivisionError