Issue when installing analytics !!

[ouss1988]

First I would like to thank all the team for this great job and very useful tool.
I followed the installation instruction and get this error when executing this command:
python manage.py syncdb

error :
Traceback (most recent call last):
File "manage.py", line 11, in
execute_from_command_line(sys.argv)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/init.py", line 364, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python2.7/dist-packages/django/core/management/init.py", line 338, in execute
django.setup()
File "/usr/local/lib/python2.7/dist-packages/django/init.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "/usr/local/lib/python2.7/dist-packages/django/apps/registry.py", line 85, in populate
app_config = AppConfig.create(entry)
File "/usr/local/lib/python2.7/dist-packages/django/apps/config.py", line 94, in create
module = import_module(entry)
File "/usr/lib/python2.7/importlib/init.py", line 37, in import_module
import(name)
File "/home/ouss/.local/lib/python2.7/site-packages/autocomplete_light/init.py", line 10, in
from .forms import * # noqa
File "/home/ouss/.local/lib/python2.7/site-packages/autocomplete_light/forms.py", line 443, in
GenericM2MRelatedObjectDescriptorHandlingMixin, forms.ModelForm)):
File "/home/ouss/.local/lib/python2.7/site-packages/autocomplete_light/forms.py", line 282, in new
attrs)
File "/usr/local/lib/python2.7/dist-packages/django/forms/models.py", line 226, in new
new_class = super(ModelFormMetaclass, mcs).new(mcs, name, bases, attrs)
File "/usr/local/lib/python2.7/dist-packages/django/forms/forms.py", line 43, in new
new_class = super(DeclarativeFieldsMetaclass, mcs).new(mcs, name, bases, attrs)
File "/usr/local/lib/python2.7/dist-packages/django/forms/widgets.py", line 154, in new
new_class = super(MediaDefiningClass, mcs).new(mcs, name, bases, attrs)
TypeError: Error when calling the metaclass bases
metaclass conflict: the metaclass of a derived class must be a (non-strict) subclass of the metaclasses of all its bases