fix #346 scan robust to corrput file

[d-chambers]

Description

This PR makes dc.scan robust to corrupted files whose format is determinable but when they are scanned they HDF5 raises an OSError. See #346.

closes #346.

Checklist

I have (if applicable):

• referenced the GitHub issue this PR closes.
• documented the new feature with docstrings or appropriate doc page.
• included a test. See testing guidelines.
• your name has been added to the contributors page (docs/contributors.md).
• added the "ready_for_review" tag once the PR is ready to be reviewed.

[d-chambers]

Hey @ahmadtourei,

It looks like the issue is back. I guess we need to disable the cache for macos.

[ahmadtourei]

Hey @ahmadtourei,

It looks like the issue is back. I guess we need to disable the cache for macos.

Ah I see. Yes, I agree.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.84%. Comparing base (2e911d1) to head (250d875).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #426   +/-   ##
=======================================
  Coverage   99.84%   99.84%           
=======================================
  Files         112      112           
  Lines        9032     9037    +5     
=======================================
+ Hits         9018     9023    +5     
  Misses         14       14           

Flag	Coverage Δ
unittests	99.84% <100.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.