Paste code

(env) roberto@ubuntu:~/devel/python/deldichoalhecho$ pip freeze
beautifulsoup4==4.6.0
bunch==1.0.1
-e git://github.com/ciudadanointeligente/ddah-promises.git@e924cc1d49988a5f6aafff2b48569914d0c14b49#egg=ddah_promises
dj-database-url==0.2.2
dj-static==0.0.6
Django==1.8
-e git://github.com/bradleyayers/django-ace.git@4b8e8926e9a64a10753d99a658badcc510b22236#egg=django_ace
django-admin-sortable2==0.5.0
django-autoslug==1.9.3
django-blog-zinnia==0.15.2
django-ckeditor==5.4.0
-e git://github.com/jazzband/django-constance@353c6a30de98a1d24c4b50aefb4caa58d39809a3#egg=django_constance
django-contrib-comments==1.8.0
django-extensions==1.5.5
django-js-asset==0.1.1
django-model-utils==2.3.1
django-mptt==0.9.0
-e git://github.com/django-nose/django-nose@347a711934688feb1d04cd4b17f8aafba995b241#egg=django_nose
django-picklefield==0.3.1
-e git://github.com/openpolis/django-popolo.git@5cabccf946006ab6306f90ba5dd51f3e0cf7db82#egg=django_popolo
django-subdomain-instances==0.10.2
django-tagging==0.4.6
django-xmlrpc==0.1.8
gunicorn==18.0
ipython==3.2.1
json-utils==0.2
Markdown==2.6.2
mots-vides==2015.5.11
newrelic==2.54.0.41
nose==1.3.7
Pillow==2.9.0
psycopg2==2.5.2
pyparsing==2.2.0
pystache==0.5.4
pytz==2017.3
six==1.11.0
static3==0.7.0
zinnia-wysiwyg-ckeditor==1.3
(env) roberto@ubuntu:~/devel/python/deldichoalhecho$ export DJANGO_SETTINGS_MODULE=project_site.settings
(env) roberto@ubuntu:~/devel/python/deldichoalhecho$ ./manage.py 
Traceback (most recent call last):
  File "./manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line
    utility.execute()
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 312, in execute
    django.setup()
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/django/__init__.py", line 18, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/django/apps/registry.py", line 85, in populate
    app_config = AppConfig.create(entry)
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/django/apps/config.py", line 86, in create
    module = import_module(entry)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/picklefield/__init__.py", line 5, in <module>
    from picklefield.fields import PickledObjectField # reexport
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/picklefield/fields.py", line 79, in <module>
    class PickledObjectField(_get_subfield_superclass()):
  File "/home/roberto/devel/python/env/local/lib/python2.7/site-packages/django/db/models/fields/subclassing.py", line 24, in __new__
    new_class = super(SubfieldBase, cls).__new__(cls, 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