tests: max_retries reduced from 15 to 3
test_musical_notation_edit (__main__.TestWikibaseMakeClaim.test_musical_notation_edit)
Attempt adding a musical notation claim with valid input. ... ERROR

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ERROR: test_musical_notation_edit (__main__.TestWikibaseMakeClaim.test_musical_notation_edit)
Attempt adding a musical notation claim with valid input.
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Traceback (most recent call last):
  File "D:\pwb\GIT\core\pywikibot\page\_decorators.py", line 35, in handle
    func(self, *args, **kwargs)
    ~~~~^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\pwb\GIT\core\pywikibot\page\_wikibase.py", line 905, in addClaim
    self.repo.addClaim(self, claim, bot=bot, **kwargs)
    ~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\pwb\GIT\core\pywikibot\site\_decorators.py", line 86, in callee
    return fn(self, *args, **kwargs)
           ~~^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\pwb\GIT\core\pywikibot\site\_datasite.py", line 353, in addClaim
    data = req.submit()
           ~~~~~~~~~~^^
  File "D:\pwb\GIT\core\pywikibot\data\api\_requests.py", line 1122, in submit
    raise pywikibot.exceptions.APIError(**args)
pywikibot.exceptions.APIError: modification-failed: String should not start or end with whitespace nor include vertical whitespace or tabs: elative c' { c d e f | g2 g | a4 a a a | g1 |})
[param: action=wbsetclaim&claim=%7B%22mainsnak%22%3A+%7B%22snaktype%22%3A+%22value%22%2C+%22property%22%3A+%22P88936%22%2C+%22datatype%22%3A+%22musical-notation%22%2C+%22datavalue%22%3A+%7B%22value%22%3A+%22%5Crelative+c%27+%7B+c+d+e+f+%7C+g2+g+%7C+a4+a+a+a+%7C+g1+%7C%7D%29%22%2C+%22type%22%3A+%22string%22%7D%7D%2C+%22type%22%3A+%22statement%22%2C+%22id%22%3A+%22Q68%2430e5af6e-1f88-4bba-be69-c9e9fc846b65%22%2C+%22rank%22%3A+%22normal%22%7D&baserevid=664705&bot=&assert=user&maxlag=5&format=json&token=af089a00c65629821a359e4bd07db151662660d5%2B%5C;
 messages: [{'name': 'wikibase-validator-illegal-string-chars', 'parameters': ["\relative c' { c d e f | g2 g | a4 a a a | g1 |})"], 'html': {'*': "Die Zeichenfolge darf nicht mit Leerzeichen beginnen oder enden und auch keine vertikalen Leerzeichen oder Tabulatoren enthalten: \relative c' { c d e f | g2 g | a4 a a a | g1 |})"}}];
 servedby: mw-api-ext.eqiad.main-6748bf4564-ffr8t;
 help: See https://test.wikidata.org/w/api.php for API usage. Subscribe to the mediawiki-api-announce mailing list at <https://lists.wikimedia.org/postorius/lists/mediawiki-api-announce.lists.wikimedia.org/> for notice of API deprecations and breaking changes.]

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "D:\pwb\GIT\core\tests\wikibase_edit_tests.py", line 426, in test_musical_notation_edit
    item.addClaim(claim)
    ~~~~~~~~~~~~~^^^^^^^
  File "D:\pwb\GIT\core\pywikibot\page\_decorators.py", line 55, in wrapper
    handle(func, self, *args, **kwargs)
    ~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "D:\pwb\GIT\core\pywikibot\page\_decorators.py", line 47, in handle
    raise OtherPageSaveError(self, err)
pywikibot.exceptions.OtherPageSaveError: Edit to page [[wikidata:test:Q68]] failed:
modification-failed: String should not start or end with whitespace nor include vertical whitespace or tabs: elative c' { c d e f | g2 g | a4 a a a | g1 |})
[param: action=wbsetclaim&claim=%7B%22mainsnak%22%3A+%7B%22snaktype%22%3A+%22value%22%2C+%22property%22%3A+%22P88936%22%2C+%22datatype%22%3A+%22musical-notation%22%2C+%22datavalue%22%3A+%7B%22value%22%3A+%22%5Crelative+c%27+%7B+c+d+e+f+%7C+g2+g+%7C+a4+a+a+a+%7C+g1+%7C%7D%29%22%2C+%22type%22%3A+%22string%22%7D%7D%2C+%22type%22%3A+%22statement%22%2C+%22id%22%3A+%22Q68%2430e5af6e-1f88-4bba-be69-c9e9fc846b65%22%2C+%22rank%22%3A+%22normal%22%7D&baserevid=664705&bot=&assert=user&maxlag=5&format=json&token=af089a00c65629821a359e4bd07db151662660d5%2B%5C;
 messages: [{'name': 'wikibase-validator-illegal-string-chars', 'parameters': ["\relative c' { c d e f | g2 g | a4 a a a | g1 |})"], 'html': {'*': "Die Zeichenfolge darf nicht mit Leerzeichen beginnen oder enden und auch keine vertikalen Leerzeichen oder Tabulatoren enthalten: \relative c' { c d e f | g2 g | a4 a a a | g1 |})"}}];
 servedby: mw-api-ext.eqiad.main-6748bf4564-ffr8t;
 help: See https://test.wikidata.org/w/api.php for API usage. Subscribe to the mediawiki-api-announce mailing list at <https://lists.wikimedia.org/postorius/lists/mediawiki-api-announce.lists.wikimedia.org/> for notice of API deprecations and breaking changes.]

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Ran 1 test in 5.842s

FAILED (errors=1)

line 1 - column 49:
syntax error, unexpected EVENT_IDENTIFIER, expecting '}'
--------
line 7 - column 1:
syntax error, unexpected '}'