Update pre-commit repo versions and configure isort to properly handle "from . import" lines

[jwodder]

No description provided.

[codecov]

Codecov Report

Merging #656 (b4f6b43) into master (2489cf0) will increase coverage by 0.05%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #656      +/-   ##
==========================================
+ Coverage   83.58%   83.63%   +0.05%     
==========================================
  Files          59       59              
  Lines        5348     5348              
==========================================
+ Hits         4470     4473       +3     
+ Misses        878      875       -3     

Flag	Coverage Δ
unittests	83.63% <100.00%> (+0.05%)	⬆️

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

Impacted Files	Coverage Δ
dandi/cli/cmd_digest.py	100.00% <ø> (ø)
dandi/cli/cmd_ls.py	66.86% <ø> (ø)
dandi/exceptions.py	100.00% <ø> (ø)
dandi/cli/base.py	97.36% <100.00%> (ø)
dandi/cli/command.py	46.15% <100.00%> (ø)
dandi/dandiapi.py	92.33% <100.00%> (ø)
dandi/dandiarchive.py	84.57% <100.00%> (ø)
dandi/dandiset.py	84.21% <100.00%> (ø)
dandi/download.py	82.30% <100.00%> (+0.80%)	⬆️
dandi/metadata.py	67.98% <100.00%> (ø)
... and 10 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8aa9f7f...b4f6b43. Read the comment docs.

[lgtm-com]

This pull request introduces 1 alert and fixes 1 when merging 76f9dbc into 8aa9f7f - view on LGTM.com

new alerts:

• 1 for Unused import

fixed alerts:

• 1 for Unused import

[lgtm-com]

This pull request fixes 1 alert when merging b4f6b43 into 8aa9f7f - view on LGTM.com

fixed alerts:

• 1 for Unused import

[yarikoptic]

Looks good to me. Even LGTM seems to be not non-useful ;-) Thanks @jwodder, let's proceed