When pushing for example to github, notify does not send any notifcation

Hi

I used the following well tested (for hg repositories) configuration

[hooks]
incoming.notify = python:hgext.notify.hook
outgoing.notify = python:hgext.notify.hook

[notify]
test = False
strip = 11
template = Subject: [matlab-hoja1] {desc} {webroot|strip}\n
  branches:  {branches}
  changeset: {rev}:{node|short}
  user:      {author}
  date:      {date|date}
  description:   {desc}\n

[reposubs]


# = Uwe Brauer <oub@mat.ucm.es>

And the relevant smtp setting that I am not going to copy here, but I ensure you it is tested when pushing say to helix

But when I pushed to github I only saw

    pushing to git@github.com:ouboub/matlab-hoja1.git
    Warning: Permanently added 'github.com,140.82.121.4' (ECDSA) to the list of known hosts.
    searching for changes
    adding objects
    added 1 commits with 1 trees and 1 blobs
    updating reference refs/heads/default

But no message of the type

    notify: sending 1 subscribers 1 changes

What is the problem? How can that be solved?

Uwe Brauer