Error al generar nueva tabla

[7sixerCF]

Perdon, pense que eso era suficiente aca lo que me da cuanto meto el comandio:

Traceback (most recent call last):
File "C:\Users\Cristofer\devcodela\Scripts\BibliotecaVi rtual\manage.py", line
10, in <module>
execute_from_command_line(sys.argv)
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\managem
ent\__init__.py", line 385, in execute_from_command_line
utility.execute()
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\managem
ent\__init__.py", line 377, in execute
self.fetch_command(subcommand).run_from_argv(self. argv)
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\managem
ent\base.py", line 288, in run_from_argv
self.execute(*args, **options.__dict__)
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\managem
ent\base.py", line 337, in execute
self.check()
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\managem
ent\base.py", line 371, in check
all_issues = checks.run_checks(app_configs=app_configs, tags=tags)
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\checks\
registry.py", line 59, in run_checks
new_errors = check(app_configs=app_configs)
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\core\checks\
model_checks.py", line 28, in check_all_models
errors.extend(model.check(**kwargs))
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\db\models\ba
se.py", line 1046, in check
errors.extend(cls._check_fields(**kwargs))
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\db\models\ba
se.py", line 1122, in _check_fields
errors.extend(field.check(**kwargs))
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\db\models\fi
elds\files.py", line 384, in check
errors.extend(self._check_image_library_installed( ))
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\db\models\fi
elds\files.py", line 389, in _check_image_library_installed
from django.utils.image import Image # NOQA
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\utils\image.
py", line 156, in <module>
Image, _imaging, ImageFile = _detect_image_library()
File "C:\Python27\lib\site-packages\django-1.7.4-py2.7.egg\django\utils\image.
py", line 134, in _detect_image_library
"imported: %s" % err
UnicodeDecodeError: 'ascii' codec can't decode byte 0xf3 in position 38: ordinal
not in range(128)