BUG: stack with empty level list #60826
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
mroeschke
reviewed
Feb 3, 2025
pandas/core/reshape/reshape.py
Outdated
| if frame.columns.nunique() != len(frame.columns): | ||
| raise ValueError("Columns with duplicate values are not supported in stack") | ||
| set_levels = set(level) | ||
| if not len(set_levels): |
There was a problem hiding this comment.
Nit: Could you just check if not level: before the set call?
mroeschke
reviewed
Feb 3, 2025
mroeschke
approved these changes
Feb 4, 2025
|
Thanks @quangngd |
ShashwatAgrawal20
pushed a commit
to ShashwatAgrawal20/pandas
that referenced
this pull request
Feb 4, 2025
* return early if set_levels is empty * add test * add whatsnew * check empty before make set
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.Please instruct of which
whatsnewto add. As of the time of writing there are 2.3.0 and 3.0.0