RuntimeError: libpng signaled error
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- Dominant language
- Python
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Description
Hello Everyone ...
I tried to run the code in this link.
https://github.com/theislab/paga/blob/master/planaria/planaria.ipynb
I didn't change anything in the code. but still, I have an issue. Can please anyone help me to fix this?

matplotlib == 2.2.3

Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by opening planaria/planaria.ipynb from the linked repository and running the notebook with the reported matplotlib 2.2.3 environment. Inspect the full traceback behind the screenshot and identify the operation that triggers the libpng error; done means the notebook runs without that RuntimeError or the cause is documented with a reproducible fix.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- matplotlib, python
- Domain
- bioinformatics, data-visualization
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 20/100