Import in the ts-changepoint notebook related to conformity scores is incorrect

[BaptisteCalot]

Description

The import in the ts-changepoint notebook related to conformity scores has been incorrect since the merge of the Mapie Classifier refactor

Fixes #497

Type of change

Please remove options that are irrelevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

No unit test

Checklist

• I have read the contributing guidelines
• I have updated the HISTORY.rst and AUTHORS.rst files
• Linting passes successfully : make lint
• Typing passes successfully : make type-check
• Unit tests pass successfully : make tests
• Coverage is 100% : make coverage
• Documentation builds successfully : make doc

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (614293e) to head (ede2113).
Report is 611 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##            master      #498    +/-   ##
==========================================
  Coverage   100.00%   100.00%            
==========================================
  Files           39        56    +17     
  Lines         4616      5481   +865     
  Branches       487       907   +420     
==========================================
+ Hits          4616      5481   +865     

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