Bug#975398: reportbug crashes with Python 3.9

[Roderich Schupp]

On Sun, Nov 22, 2020 at 1:14 PM Nis Martensen <nis.marten...@mailbox.org>
wrote:

> There is no diff in the attachment - did you send the wrong file?
>

Oops, indeed. Correct file attached.

Cheers, Roderich

diff --git a/reportbug/ui/gtk_ui.py b/reportbug/ui/gtk_ui.py
index 25795b3..7348d2a 100644
--- a/reportbug/ui/gtk_ui.py
+++ b/reportbug/ui/gtk_ui.py
@@ -432,7 +432,7 @@ class BugPage(Gtk.EventBox, threading.Thread):
     def pulse(self):
         _assert_context(ui_context)
         self.progress.pulse()
-        return self.isAlive()
+        return self.is_alive()
 
     def not_found(self):
         _assert_context(ui_context)