diff --git a/activity/activity.info b/activity/activity.info
index 66fe9f1..05e59e5 100644
--- a/activity/activity.info
+++ b/activity/activity.info
@@ -2,7 +2,7 @@
 name = Panorama
 activity_version = 9
 bundle_id = org.laptop.PanoramaActivity
-exec = sugar-activity activity.PanoramaActivity
+exec = sugar-activity3 activity.PanoramaActivity
 icon = activity-panorama
 show_launcher = yes
 license = GPLv3+
diff --git a/pano.py b/pano.py
index 98289f7..c933e5b 100755
--- a/pano.py
+++ b/pano.py
@@ -33,7 +33,7 @@
     from pygame.locals import *
     from pygame import camera
 except ImportError:
-    print 'Error in import Pygame. This activity requires Pygame 1.9'
+    print('Error in import Pygame. This activity requires Pygame 1.9')
 
 
 class PanoCapture():
diff --git a/sugargame/canvas.py b/sugargame/canvas.py
index 2299f4d..d783f8a 100755
--- a/sugargame/canvas.py
+++ b/sugargame/canvas.py
@@ -4,7 +4,7 @@
 from gi.repository import GLib
 from sugar3.activity.activity import PREVIEW_SIZE
 import pygame
-import event
+from . import event
 
 CANVAS = None
 
diff --git a/sugargame/event.py b/sugargame/event.py
index dee8d78..d20f9a2 100755
--- a/sugargame/event.py
+++ b/sugargame/event.py
@@ -139,7 +139,7 @@ def _keyup_cb(self, widget, event):
 
     def _keymods(self):
         mod = 0
-        for key_val, mod_val in self.mod_map.iteritems():
+        for key_val, mod_val in self.mod_map.items():
             mod |= self.__keystate[key_val] and mod_val
         return mod
 
@@ -168,10 +168,10 @@ def _keyevent(self, widget, event, type):
             self.__keystate[keycode] = type == pygame.KEYDOWN
             if type == pygame.KEYUP:
                 mod = self._keymods()
-            ukey = unichr(Gdk.keyval_to_unicode(event.keyval))
+            ukey = chr(Gdk.keyval_to_unicode(event.keyval))
             if ukey == '\000':
                 ukey = ''
-            evt = pygame.event.Event(type, key=keycode, unicode=ukey, mod=mod)
+            evt = pygame.event.Event(type, key=keycode, str=ukey, mod=mod)
             self._post(evt)
 
         return True
@@ -248,7 +248,7 @@ def _get_mouse_pos(self):
     def _post(self, evt):
         try:
             pygame.event.post(evt)
-        except pygame.error, e:
+        except pygame.error as e:
             if str(e) == 'video system not initialized':
                 pass
             elif str(e) == 'Event queue full':