style: sort imports in schemas

gns3server/schemas/controller/drawings.py

@@ -14,10 +14,11 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-from pydantic import BaseModel, Field
 from typing import Optional
 from uuid import UUID
 
+from pydantic import BaseModel, Field
+
 
 class Drawing(BaseModel):
     """