# Buggy code
def get_translations(translate):
    res = {}
    for lang in translate:
        info = {
            "overview": lang.overview,
            "title": lang.title,
            "tagline": lang.tagline,
        }
        res[lang.language] = info
    return res


# Traceback (StaleDataError)
2016-05-18 09:50 DEBUG    api_trakt                     movie `X-Men: Apocalypse` age 0 expires in 2 days
2016-05-18 09:50 DEBUG    api_trakt                     Searching with params: tmdb=246655
2016-05-18 09:50 DEBUG    utils.requests                 Fetching https://api-v2launch.trakt.tv/search
2016-05-18 09:50 DEBUG    utils.requests                 Fetching https://api-v2launch.trakt.tv/movies/149999
--------------------------------------------------------------------------------
ERROR in app [c:\python27\lib\site-packages\flask\app.py:1423]:
Exception on /trakt/movies/X-Men: Apocalypse/ [GET]
--------------------------------------------------------------------------------
Traceback (most recent call last):
File "c:\python27\lib\site-packages\flask\app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "c:\python27\lib\site-packages\flask\app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "c:\python27\lib\site-packages\flask_restful\__init__.py", line 477, in wrapper
resp = resource(*args, **kwargs)
File "c:\python27\lib\site-packages\flask\views.py", line 84, in view
return self.dispatch_request(*args, **kwargs)
File "c:\python27\lib\site-packages\flask_restplus\resource.py", line 42, in dispatch_request
resp = meth(*args, **kwargs)
File "c:\python27\lib\site-packages\flexget\utils\database.py", line 34, in wrapper
return func(*args, **kwargs)
File "c:\python27\lib\site-packages\flexget\utils\sqlalchemy_utils.py", line 141, in __exit__
self.commit()
File "c:\python27\lib\site-packages\sqlalchemy\orm\session.py", line 801, in commit
self.transaction.commit()
File "c:\python27\lib\site-packages\sqlalchemy\orm\session.py", line 392, in commit
self._prepare_impl()
File "c:\python27\lib\site-packages\sqlalchemy\orm\session.py", line 372, in _prepare_impl
self.session.flush()
File "c:\python27\lib\site-packages\sqlalchemy\orm\session.py", line 2019, in flush
self._flush(objects)
File "c:\python27\lib\site-packages\sqlalchemy\orm\session.py", line 2137, in _flush
transaction.rollback(_capture_exception=True)
File "c:\python27\lib\site-packages\sqlalchemy\util\langhelpers.py", line 60, in __exit__
compat.reraise(exc_type, exc_value, exc_tb)
File "c:\python27\lib\site-packages\sqlalchemy\orm\session.py", line 2101, in _flush
flush_context.execute()
File "c:\python27\lib\site-packages\sqlalchemy\orm\unitofwork.py", line 373, in execute
rec.execute(self)
File "c:\python27\lib\site-packages\sqlalchemy\orm\unitofwork.py", line 487, in execute
self.dependency_processor.process_saves(uow, states)
File "c:\python27\lib\site-packages\sqlalchemy\orm\dependency.py", line 1092, in process_saves
secondary_update, secondary_delete)
File "c:\python27\lib\site-packages\sqlalchemy\orm\dependency.py", line 1113, in _run_crud
result.rowcount)
StaleDataError: DELETE statement on table 'trakt_image_movie' expected to delete 1 row(s); Only 2 were matched.

# Fixed code
def get_translations(ident, style):
    url = get_api_url(style + "s", ident, "translations")
    trakt_translation = (
        TraktShowTranslation if style == "show" else TraktMovieTranslation
    )
    trakt_translation_id = getattr(trakt_translation, style + "_id")
    translations = []
    req_session = get_session()
    try:
        results = req_session.get(url, params={"extended": "full,images"}).json()
        with Session() as session:
            for result in results:
                translation = (
                    session.query(trakt_translation)
                    .filter(
                        and_(
                            trakt_translation.language == result.get("language"),
                            trakt_translation_id == ident,
                        )
                    )
                    .first()
                )
                if not translation:
                    translation = trakt_translation(result, session)
                translations.append(translation)
        return translations
    except requests.RequestException as e:
        log.debug("Error adding translations to trakt id %s: %s", ident, e)