Do not raise NotImplemented - it does not exists

Docs > Code Analysis > Static Analysis Rules > Do not raise NotImplemented - it does not exists

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Metadata

ID: python-best-practices/raising-not-implemented

Language: Python

Severity: Warning

Category: Best Practices

Description

Code should not raise NotImplemented and instead use NotImplementedError. NotImplemented is a value (as per the documentation, not an exception. The proper exception is NotImplementedError

Learn More

NotImplementedError documentation

Non-Compliant Code Examples

a = 1
b = 2
raise NotImplemented  # use NotImplementedError instead
c = 3

Compliant Code Examples

a = 1
b = 2
raise NotImplementedError
c = 3

How to use this rule

1
2
rulesets:
  - python-best-practices     # Rules to enforce Python best practices.

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