diff --git a/activity.py b/activity.py
index 79c8455..584a492 100644
--- a/activity.py
+++ b/activity.py
@@ -13,7 +13,7 @@
 import os
 import shutil
 import time
-from ConfigParser import ConfigParser
+from configparser import ConfigParser
 import json
 from gettext import gettext as _
 
@@ -42,10 +42,10 @@
 from sugar3 import profile
 from sugar3.datastore import datastore
 
-import telepathy
+from dbus.gi_service import TelepathyGLib
 import dbus
 from dbus.service import signal
-from dbus.gobject_service import ExportedGObject
+from dbus.gi_service import ExportedGObject
 from sugar3.presence import presenceservice
 from sugar3.graphics.objectchooser import ObjectChooser
 
@@ -734,11 +734,11 @@ def _shared_cb(self, activity):
         self.tubes_chan = self.shared_activity.telepathy_tubes_chan
         self.text_chan = self.shared_activity.telepathy_text_chan
 
-        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
+        self.tubes_chan[TelepathyGLib.IFACE_CHANNEL_TYPE_TUBES].connect_to_signal(
             'NewTube', self._new_tube_cb)
 
         _logger.debug('This is my activity: making a tube...')
-        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].OfferDBusTube(
+        self.tubes_chan[TelepathyGLib.IFACE_CHANNEL_TYPE_TUBES].OfferDBusTube(
             SERVICE, {})
 
         self.sharing = True
@@ -762,11 +762,11 @@ def _joined_cb(self, activity):
         self.tubes_chan = self.shared_activity.telepathy_tubes_chan
         self.text_chan = self.shared_activity.telepathy_text_chan
 
-        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].connect_to_signal(
+        self.tubes_chan[TelepathyGLib.IFACE_CHANNEL_TYPE_TUBES].connect_to_signal(
             'NewTube', self._new_tube_cb)
 
         _logger.debug('I am joining an activity: waiting for a tube...')
-        self.tubes_chan[telepathy.CHANNEL_TYPE_TUBES].ListTubes(
+        self.tubes_chan[TelepathyGLib.IFACE_CHANNEL_TYPE_TUBES].ListTubes(
             reply_handler=self._list_tubes_reply_cb,
             error_handler=self._list_tubes_error_cb)
 
@@ -790,7 +790,7 @@ def _new_tube_cb(self, id, initiator, type, service, params, state):
         if (type == telepathy.TUBE_TYPE_DBUS and service == SERVICE):
             if state == telepathy.TUBE_STATE_LOCAL_PENDING:
                 self.tubes_chan[
-                    telepathy.CHANNEL_TYPE_TUBES].AcceptDBusTube(id)
+                    TelepathyGLib.IFACE_CHANNEL_TYPE_TUBES].AcceptDBusTube(id)
 
             self.collab = CollabWrapper(self)
             self.collab.message.connect(self.event_received_cb)
diff --git a/activity/activity.info b/activity/activity.info
index eae5519..0d1b7d2 100644
--- a/activity/activity.info
+++ b/activity/activity.info
@@ -1,6 +1,6 @@
 [Activity]
 name = Reflect
-exec = sugar-activity activity.ReflectActivity
+exec = sugar-activity3 activity.ReflectActivity
 bundle_id = org.sugarlabs.Reflect
 icon = reflect
 activity_version = 1.0
diff --git a/textchannelwrapper.py b/textchannelwrapper.py
index a4c3fec..05ca567 100644
--- a/textchannelwrapper.py
+++ b/textchannelwrapper.py
@@ -68,7 +68,6 @@ def __message_cb(self, collab, buddy, message):
     CHANNEL_TYPE_TEXT, \
     CHANNEL_TYPE_FILE_TRANSFER, \
     CONN_INTERFACE_ALIASING, \
-    CHANNEL, \
     CLIENT
 from telepathy.constants import \
     CHANNEL_GROUP_FLAG_CHANNEL_SPECIFIC_HANDLES, \
@@ -89,7 +88,7 @@ def __message_cb(self, collab, buddy, message):
 ACTION_INIT_REQUEST = '!!ACTION_INIT_REQUEST'
 ACTION_INIT_RESPONSE = '!!ACTION_INIT_RESPONSE'
 ACTIVITY_FT_MIME = 'x-sugar/from-activity'
-
+CHANNEL = TelepathyGLib.IFACE_CHANNEL
 
 class CollabWrapper(GObject.GObject):
     '''
diff --git a/utils.py b/utils.py
index a52649a..94798fa 100644
--- a/utils.py
+++ b/utils.py
@@ -17,14 +17,14 @@
 import stat
 import statvfs
 import glob
-import urllib
+import urllib.request, urllib.parse, urllib.error
 from random import uniform
 import tempfile
 import cairo
 import email.utils
 import re
 import time
-from ConfigParser import ConfigParser
+from configparser import ConfigParser
 
 from gi.repository import Vte
 from gi.repository import Gio
@@ -360,7 +360,7 @@ def check_volume_suffix(volume_file):
         return TRAINING_DATA % volume_file[-13:]
     elif volume_file.endswith('.bin'):  # See SEP-33
         new_volume_file = volume_file[:-4] + TRAINING_SUFFIX
-        print new_volume_file
+        print(new_volume_file)
         os.rename(volume_file, new_volume_file)
         _logger.debug('return %s' % (TRAINING_DATA % new_volume_file[-13:]))
         return TRAINING_DATA % new_volume_file[-13:]
@@ -534,7 +534,7 @@ def is_landscape():
 
 
 def get_safe_text(text):
-    return urllib.pathname2url(text.encode('ascii', 'xmlcharrefreplace'))
+    return urllib.request.pathname2url(text.encode('ascii', 'xmlcharrefreplace'))
 
 
 def get_battery_level():
@@ -1095,7 +1095,7 @@ def uitree_dump():
     try:
         return json.loads(dbus.Interface(proxy, _DBUS_SERVICE).Dump())
     except Exception as e:
-        print ('ERROR calling Dump: %s' % e)
+        print('ERROR calling Dump: %s' % e)
         # _logger.error('ERROR calling Dump: %s' % e)
     return ''