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Class has no `__init__` method

Reports cases in Python 2 when a class has no __init__ method, neither its parent classes.

Example:

class Book(): pass

The quick-fix adds the __init__ method:

class Book(): def __init__(self): pass

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

PyClassHasNoInit
Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Python

Inspection ID: PyClassHasNoInitInspection

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection PyClassHasNoInit

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

Last modified: 18 September 2025