# Buggy code
def to_dict(self):
    return {
        "id": self.id,
        "title": self.title,
        "year": self.year,
        "slug": self.slug,
        "tvdb_id": self.tvdb_id,
        "imdb_id": self.imdb_id,
        "tmdb_id": self.tmdb_id,
        "tvrage_id": self.tvrage_id,
        "overview": self.overview,
        "first_aired": self.first_aired,
        "air_day": self.air_day,
        "air_time": self.air_time.strftime("%H:%M") if self.air_time else None,
        "timezone": self.timezone,
        "runtime": self.runtime,
        "certification": self.certification,
        "network": self.network,
        "country": self.country,
        "status": self.status,
        "rating": self.rating,
        "votes": self.votes,
        "language": self.language,
        "homepage": self.homepage,
        "number_of_aired_episodes": self.aired_episodes,
        "genres": [g.name for g in self.genres],
        "updated_at": self.updated_at,
        "cached_at": self.cached_at,
        "images": list_images(self.images),
    }


# 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 to_dict(self):
    return {
        "id": self.id,
        "title": self.title,
        "year": self.year,
        "slug": self.slug,
        "tvdb_id": self.tvdb_id,
        "imdb_id": self.imdb_id,
        "tmdb_id": self.tmdb_id,
        "tvrage_id": self.tvrage_id,
        "overview": self.overview,
        "first_aired": self.first_aired,
        "air_day": self.air_day,
        "air_time": self.air_time.strftime("%H:%M") if self.air_time else None,
        "timezone": self.timezone,
        "runtime": self.runtime,
        "certification": self.certification,
        "network": self.network,
        "country": self.country,
        "status": self.status,
        "rating": self.rating,
        "votes": self.votes,
        "language": self.language,
        "homepage": self.homepage,
        "number_of_aired_episodes": self.aired_episodes,
        "genres": [g.name for g in self.genres],
        "updated_at": self.updated_at,
        "cached_at": self.cached_at,
        "images": {
            "poster": {
                "full": self.image_poster_full,
                "medium": self.image_poster_medium,
                "thumb": self.image_poster_thumb,
            },
            "thumb": {"full": self.image_thumb_full},
        },
        "main_image": self.main_image,
    }