slots should not be a single string

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Metadata

ID: python-best-practices/slots-no-single-string

Language: Python

Severity: Error

Category: Error Prone

The __slots__ attribute must be a non-string iterable.

class MyClass:
    __slots__ = "attr"  # should be an iterable

    def __init__(self):
        pass

from django.apps import AppConfig


class TweetsConfig(AppConfig):
    default_auto_field = 'django.db.models.BigAutoField'
    name = 'tweets'

class MyClass:
    __slots__ = ("attr", )

    def __init__(self):
        pass

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

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