Make exceptions.pyi import its definitions from __builtin__.pyi (#1610)

* Make exceptions.pyi import its definitions from __builtin__.pyi

* Make ReferenceError a full class again.

* Restore blank line at EOF.

Author: rchen152

stdlib/2/exceptions.pyi

@@ -1,80 +1,49 @@
-from typing import Any, Tuple, Optional
+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 StandardError(Exception): ...
-class ArithmeticError(StandardError): ...
-class AssertionError(StandardError): ...
-class AttributeError(StandardError): ...
-class BaseException(object):
-    args = ...  # type: Tuple[Any, ...]
-    message = ...  # type: str
-    def __getslice__(self, start, end) -> Any: ...
-    def __getitem__(self, start, end) -> Any: ...
-    def __unicode__(self) -> unicode: ...
-class BufferError(StandardError): ...
-class BytesWarning(Warning): ...
-class DeprecationWarning(Warning): ...
-class EOFError(StandardError): ...
-class EnvironmentError(StandardError):
-    errno = ...  # type: int
-    strerror = ...  # type: str
-    filename = ...  # type: str
-class Exception(BaseException): ...
-class FloatingPointError(ArithmeticError): ...
-class FutureWarning(Warning): ...
-class GeneratorExit(BaseException): ...
-class IOError(EnvironmentError): ...
-class ImportError(StandardError): ...
-class ImportWarning(Warning): ...
-class IndentationError(SyntaxError): ...
-class IndexError(LookupError): ...
-class KeyError(LookupError): ...
-class KeyboardInterrupt(BaseException): ...
-class LookupError(StandardError): ...
-class MemoryError(StandardError): ...
-class NameError(StandardError): ...
-class NotImplementedError(RuntimeError): ...
-class OSError(EnvironmentError): ...
-class OverflowError(ArithmeticError): ...
-class PendingDeprecationWarning(Warning): ...
 class ReferenceError(StandardError): ...
-class RuntimeError(StandardError): ...
-class RuntimeWarning(Warning): ...
-class StopIteration(Exception): ...
-class SyntaxError(StandardError):
-    text = ...  # type: str
-    print_file_and_line = ...  # type: Optional[str]
-    filename = ...  # type: str
-    lineno = ...  # type: int
-    offset = ...  # type: int
-    msg = ...  # type: str
-class SyntaxWarning(Warning): ...
-class SystemError(StandardError): ...
-class SystemExit(BaseException):
-    code = ...  # type: int
-class TabError(IndentationError): ...
-class TypeError(StandardError): ...
-class UnboundLocalError(NameError): ...
-class UnicodeError(ValueError): ...
-class UnicodeDecodeError(UnicodeError):
-    start = ...  # type: int
-    reason = ...  # type: str
-    object = ...  # type: str
-    end = ...  # type: int
-    encoding = ...  # type: str
-class UnicodeEncodeError(UnicodeError):
-    start = ...  # type: int
-    reason = ...  # type: str
-    object = ...  # type: unicode
-    end = ...  # type: int
-    encoding = ...  # type: str
-class UnicodeTranslateError(UnicodeError):
-    start = ...  # type: int
-    reason = ...  # type: str
-    object = ...  # type: Any
-    end = ...  # type: int
-    encoding = ...  # type: str
-class UnicodeWarning(Warning): ...
-class UserWarning(Warning): ...
-class ValueError(StandardError): ...
-class Warning(Exception): ...
-class ZeroDivisionError(ArithmeticError): ...