Connecting django to postgresql database

I have been trying to connect my django project to postrgesql database, i have one the configurations to it perfectly like this;


ALLOWED_HOSTS = ['localhost', '127.0.0.1']

DATABASES = {
    'default': {
        'ENGINE' : 'django.db.backends.postgresql_psycopg2',
        'NAME'  : 'firstdjangoproject',
        'USER'  : 'djangouser',
        'PASSWORD' : 'django254',
        'HOST'  : '127.0.0.1',
        'PORT'  : '5432',
        }

however when i run the command 'python manage.py migrate' it does not identify the word migrate, and when i run the command 'python manage.py syncdb' i get the following error;

Traceback (most recent call last):
  File "manage.py", line 10, in <module>
    execute_from_command_line(sys.argv)
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/core/management/__init__.py", line 363, in execute_from_command_line
    utility.execute()
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/core/management/__init__.py", line 337, in execute
    django.setup()
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/__init__.py", line 27, in setup
    apps.populate(settings.INSTALLED_APPS)
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/apps/registry.py", line 108, in populate
    app_config.import_models()
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/apps/config.py", line 202, in import_models
    self.models_module = import_module(models_module_name)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/contrib/auth/models.py", line 4, in <module>
    from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/contrib/auth/base_user.py", line 52, in <module>
    class AbstractBaseUser(models.Model):
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/models/base.py", line 124, in __new__
    new_class.add_to_class('_meta', Options(meta, app_label))
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/models/base.py", line 330, in add_to_class
    value.contribute_to_class(cls, name)
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/models/options.py", line 214, in contribute_to_class
    self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/__init__.py", line 33, in __getattr__
    return getattr(connections[DEFAULT_DB_ALIAS], item)
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/utils.py", line 211, in __getitem__
    backend = load_backend(db['ENGINE'])
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/utils.py", line 115, in load_backend
    return import_module('%s.base' % backend_name)
  File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
    __import__(name)
  File "/usr/local/lib/python2.7/dist-packages/Django-1.11.1-py2.7.egg/django/db/backends/postgresql/base.py", line 36, in <module>
    raise ImproperlyConfigured("psycopg2_version 2.5.4 or newer is required; you have %s" % psycopg2.__version__)
django.core.exceptions.ImproperlyConfigured: psycopg2_version 2.5.4 or newer is required; you have 2.4.5 (dt dec mx pq3 ext)

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