Python Exceptions

Built-in Exceptions

The following are the list of built-in exceptions, in their respective hierarchy, in Python.

ArithmeticError
- FloatingPointError
- OverflowError
- ZeroDivisionError
AssertionError
AttributeError
BufferError
EOFError
ExceptionGroup [BaseExceptionGroup]
ImportError
- ModuleNotFoundError
LookupError
- IndexError
- KeyError
MemoryError
NameError
- UnboundLocalError
OSError
- BlockingIOError
- ChildProcessError
- ConnectionError
  - BrokenPipeError
  - ConnectionAbortedError
  - ConnectionRefusedError
  - ConnectionResetError
- FileExistsError
- FileNotFoundError
- InterruptedError
- IsADirectoryError
- NotADirectoryError
- PermissionError
- ProcessLookupError
- TimeoutError
ReferenceError
RuntimeError
- NotImplementedError
- RecursionError
StopAsyncIteration
StopIteration
SyntaxError
- IndentationError
  - TabError
SystemError
TypeError
ValueError
- UnicodeError
  - UnicodeDecodeError
  - UnicodeEncodeError
  - UnicodeTranslateError
Warning
- BytesWarning
- DeprecationWarning
- EncodingWarning
- FutureWarning
- ImportWarning
- PendingDeprecationWarning
- ResourceWarning
- RuntimeWarning
- SyntaxWarning
- UnicodeWarning
- UserWarning