cron: use print as a function (#36233)

combo/data/management/commands/cron.py

@@ -14,6 +14,8 @@
 # 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 __future__ import print_function
+
 import traceback
 
 from django.apps import apps
@@ -44,8 +46,8 @@ class Command(BaseCommand):
         if errors:
             for error in errors:
                 if options['verbosity'] >= 1:
-                    print '%s: error: %s' % (error['application'], error['exception'])
+                    print('%s: error: %s' % (error['application'], error['exception']))
                 if options['verbosity'] >= 2:
-                    print error['traceback']
-                    print
+                    print(error['traceback'])
+                    print()
             raise CommandError('error running jobs')