$ errors.fyi/python/KeyError 74 namespaces · 3,092 codes

python · python/KeyError

KeyError

KeyError

Raised when a mapping key is not found in the set of existing keys. The missing key is stored as the first argument.

Also defined in

ruby KeyError Raised by Hash#fetch and similar methods when a key is not found and no default is provided.

References

docs.python.org/3/library/exceptions.html

In this namespace

← previous KeyboardInterrupt KeyboardInterrupt next → LookupError LookupError

IndentationError IndexError InterruptedError IsADirectoryError KeyboardInterrupt KeyError LookupError MemoryError ModuleNotFoundError NameError NotADirectoryError

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