Fix error in py313

[micafer]

Fix error in py313

Description

Fix error in test with python 3.13:
libcloud.test.common.test_openstack_identity.OpenStackIdentityConnectionTestCase testMethod=test_token_expiration_and_force_reauthentication

Status

• done, ready for review

Checklist (tick everything that applies)

• Code linting (required, can be done after the PR checks)
• Documentation
• Tests
• ICLA (required for bigger changes)

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.35%. Comparing base (e5f6549) to head (c2bd6f4).

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk    #2121   +/-   ##
=======================================
  Coverage   83.35%   83.35%           
=======================================
  Files         353      353           
  Lines       81848    81848           
  Branches     8998     8998           
=======================================
  Hits        68224    68224           
  Misses      10797    10797           
  Partials     2827     2827           

Files with missing lines	Coverage Δ
libcloud/test/common/test_openstack_identity.py	97.10% <100.00%> (ø)

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