class BaseException(Exception): ...
class Exception(BaseException): ...
class StopIteration(Exception): ...
class GeneratorExit(BaseException): ...
class SystemExit(BaseException): ...
class KeyboardInterrupt(BaseException): ...
class MemoryError(Exception): ...
class ReferenceError(Exception): ...
class RuntimeError(Exception): ...
class NotImplementedError(Exception): ...
class SyntaxError(Exception): ...
class IndentationError(SyntaxError): ...
class TabError(IndentationError): ...
class TypeError(Exception): ...
class ValueError(Exception): ...
class ZeroDivisionError(ValueError): ...
class OverflowError(ValueError): ...
class FloatingPointError(ValueError): ...
class LookupError(Exception): ...
class IndexError(LookupError): ...
class KeyError(LookupError): ...
class AttributeError(AttributeError): ...
class NameError(NameError): ...
class UnboundLocalError(NameError): ...
class ImportError(ImportError): ...
class ModuleNotFoundError(ImportError): ...
class OSError(OSError): ...
class ConnectionError(OSError): ...
class BlockingIOError(OSError): ...
class ChildProcessError(OSError): ...
class BrokenPipeError(OSError): ...
class ConnectionAbortedError(OSError): ...
class ConnectionRefusedError(OSError): ...
class ConnectionResetError(OSError): ...
class FileExistsError(OSError): ...
class FileNotFoundError(OSError): ...
class InterruptedError(OSError): ...
class IsADirectoryError(OSError): ...
class NotADirectoryError(OSError): ...
class PermissionError(OSError): ...
class ProcessLookupError(OSError): ...
class TimeoutError(OSError): ...
class EnvironmentError(OSError): ...
class EOFError(EOFError): ...
class ArithmeticError(ArithmeticError): ...
class BufferError(BufferError): ...
class Warning(Warning): ...
class UserWarning(Warning): ...
class DeprecationWarning(Warning): ...
class PendingDeprecationWarning(Warning): ...
class SyntaxWarning(Warning): ...
class RuntimeWarning(Warning): ...
class FutureWarning(Warning): ...
class ImportWarning(Warning): ...
class UnicodeWarning(Warning): ...
class BytesWarning(Warning): ...
class ResourceWarning(Warning): ...
class EncodingWarning(Warning): ...