Use isna instead of isnull

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Metadata

ID: python-pandas/isna-instead-of-isnull

Language: Python

Severity: Notice

Category: Best Practices

Description

The functions isna and isnull are similar. However, this is a best practice to use isna since other methods use the same naming patterns.

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Pandas isna() and isnull(), what is the difference?

Non-Compliant Code Examples

nulls = pd.isnull(val)  # prefer using isna

Compliant Code Examples

nas = pd.isna(val)

How to use this rule

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

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