Formatting lambda function python

Environment data

• Version: 1.53.0
• OS and version: Windows 10 - 10.0.19042
• Python version: Python 3.9.1
• Value of the python.languageServer setting: Pylance

I cannot format a document that include a python lambda function without having the formater convert it to a function. Here is the code

double = lambda x: x * 2
print(double(5))

Expected behaviour

double = lambda x: x * 2
print(double(5))

Actual behaviour

def double(x): return x * 2
print(double(5))

Steps to reproduce:

1. Copy paste the code
2. Format the document (I use format on Save)

Notes

My default formatter is “null”. But it still format great the rest of the code.

[karrtikr]

Oh I see, the formatting comes from autopep8 itself, which is the default formatter.

If you check the output panel,

Output for Python in the Output panel (View→Output, change the drop-down the upper-right of the Output panel to Python)

XXX

You’ll see that we just run the command calling autopep8. So you’ll need to check their docs on how to configure autopep8 that way, or open an issue in their repo https://github.com/hhatto/autopep8

[karrtikr]

Great 😃