new `.map` method of `pd.DataFrame` and `mypy`

[JasonMendoza2008]

Minimal Reproducible Example:

import pandas as pd

df = pd.DataFrame([[1, 2.12], [3.356, 4.567]])
df.map(lambda x: len(str(x)))

Versions:

pandas            2.1.0
pandas-stubs      2.0.3.230814
mypy              1.5.1

Additional information:

• OS: Windows
• OS Version 11
• python version 3.11.1

Error message:

4: error: "Series[Any]" not callable  [operator]

[Dr-Irv]

Thanks for the report. We have some work to do to get the stubs up to date with pandas 2.1.

In this case, need to rename applymap to map here, and add tests.

pandas-stubs/pandas-stubs/core/frame.pyi

Line 1311 in 6bb1215

def applymap(