The stop button stops the code being executed

2 files changed, 2 insertions, 1 deletions

diff --git a/activity.py b/activity.py
index a62e4c7..f5bb55b 100755
--- a/activity.py
+++ b/activity.py
@@ -26,6 +26,7 @@ class ViewSourceActivity(activity.Activity):
         super(ViewSourceActivity, self).__init__(handle, **kwargs)
         self.__source_object_id = None  # XXX: persist this across invocations?
         self.connect('key-press-event', self._key_press_cb)
+        self._pid = None
 
     def _key_press_cb(self, widget, event):
         from gi.repository import Gdk
diff --git a/pippy_app.py b/pippy_app.py
index 1f48d99..6b45d55 100644
--- a/pippy_app.py
+++ b/pippy_app.py
@@ -419,7 +419,7 @@ class PippyActivity(ViewSourceActivity, groupthink.sugar_tools.GroupActivity):
 
     def stopbutton_cb(self, button):
         try:
-            os.kill(self._pid, SIGTERM)
+            if self._pid != None: os.kill(self._pid[1], SIGTERM)
         except:
             pass  # process must already be dead.