| BaseException | |
| +-- SystemExit | |
| +-- KeyboardInterrupt | |
| +-- Exception | |
| +-- GeneratorExit | |
| +-- StopIteration | |
| +-- StandardError | |
| | +-- ArithmeticError | |
| | | +-- FloatingPointError | |
| | | +-- OverflowError | |
| | | +-- ZeroDivisionError | |
| | +-- AssertionError | |
| | +-- AttributeError | |
| | +-- EnvironmentError | |
| | | +-- IOError | |
| | | +-- OSError | |
| | | +-- WindowsError (Windows) | |
| | | +-- VMSError (VMS) | |
| | +-- EOFError | |
| | +-- ImportError | |
| | +-- LookupError | |
| | | +-- IndexError | |
| | | +-- KeyError | |
| | +-- MemoryError | |
| | +-- NameError | |
| | | +-- UnboundLocalError | |
| | +-- ReferenceError | |
| | +-- RuntimeError | |
| | | +-- NotImplementedError | |
| | +-- SyntaxError | |
| | | +-- IndentationError | |
| | | +-- TabError | |
| | +-- SystemError | |
| | +-- TypeError | |
| | +-- ValueError | |
| | | +-- UnicodeError | |
| | | +-- UnicodeDecodeError | |
| | | +-- UnicodeEncodeError | |
| | | +-- UnicodeTranslateError | |
| +-- Warning | |
| +-- DeprecationWarning | |
| +-- PendingDeprecationWarning | |
| +-- RuntimeWarning | |
| +-- SyntaxWarning | |
| +-- UserWarning | |
| +-- FutureWarning | |
| +-- ImportWarning | |
| +-- UnicodeWarning |