Bioinformatics

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Please provide us your environment, so we can easily reproduce the issue.

• replace the result of pip list | grep dash below

dash                      2.0.0
dash-bootstrap-components 1.0.0

• if frontend related, tell us your Browser, Version and OS

  • OS: [e.g. iOS] Windows
  • Browser [e.g. chrome, safari]: Chrome 96.0x, Edge 96.0x, Firefox

See https://github.com/biopython/biopython/blob/master/Bio/SeqFeature.py and __add__, need to do the same specifically for integer offsets.

Workaround feature + (-5) instead of feature - 5, see https://twitter.com/tomeraltman/status/1473764959347638273

• I have checked that this issue has not already been reported.
• I have confirmed this bug exists on the latest version of scanpy.
• (optional) I have confirmed this bug exists on the master branch of scanpy.

Related issues: #1975.

Minimal code sample

The reproducible example below features a few observations but the real-world scenario for this issue is very lik

As reported by @jonalv , it can be confusing what is happening when if the globber pattern does not catch any files.

The suggestion is to:

• Log when the globber starts, with the pattern used
• Issue a warning if the globber doesn't match any files at all