Fixing issue with updated python affecting Inifile.items

[joezuntz]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 63.61%. Comparing base (6f2d729) to head (c28093b).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
cosmosis/runtime/config.py	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #212      +/-   ##
==========================================
+ Coverage   63.53%   63.61%   +0.07%     
==========================================
  Files         121      121              
  Lines       13527    13540      +13     
==========================================
+ Hits         8595     8613      +18     
+ Misses       4932     4927       -5     

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