Cleanup

gns3server/handlers/api/controller/drawing_handler.py

@@ -15,8 +15,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-import aiohttp
-
 from gns3server.web.route import Route
 from gns3server.controller import Controller