Removed import of unused querysets from managers.py
Removed import of unused querysets from managers.py

kobe25/gasistafelice,kobe25/gasistafelice,michelesr/gasistafelice,michelesr/gasistafelice,befair/gasistafelice,befair/gasistafelice,michelesr/gasistafelice,michelesr/gasistafelice,befair/gasistafelice,kobe25/gasistafelice,kobe25/gasistafelice,befair/gasistafelice