chore: improve io error msg

[ion-elgreco]

Description

Allows to see the full IO error message, will be displayed like this:

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 44 lines in your changes missing coverage. Please review.

Project coverage is 72.11%. Comparing base (8acfa3f) to head (86efcfc).

Files with missing lines	Patch %	Lines
python/src/error.rs	0.00%	44 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3328      +/-   ##
==========================================
- Coverage   72.18%   72.11%   -0.08%     
==========================================
  Files         144      144              
  Lines       45822    45864      +42     
  Branches    45822    45864      +42     
==========================================
- Hits        33077    33075       -2     
- Misses      10655    10697      +42     
- Partials     2090     2092       +2     

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

🚀 New features to boost your workflow:

• ❄ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.