Fixed bug with throttling code

taiga/base/throttling.py

@@ -16,8 +16,10 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from taiga.base.api import throttling
 from django.conf import settings
+from django.core.exceptions import ImproperlyConfigured
+
+from taiga.base.api import throttling
 from ipware.ip import get_ip
 from netaddr import all_matching_cidrs
 from netaddr.core import AddrFormatError