journee_mondiale: do not crash if text not found

edmond/plugins/journee_mondiale.py

@@ -19,16 +19,21 @@ class JourneeMondialePlugin(Plugin):
     def on_pubmsg(self, event):
         if not self.should_handle_command(event.arguments[0], no_content=True):
             return False
+
         response = http_get(self.config["url"])
         if not response:
             self.signal_failure(event.target)
             return True
+
         soup = BeautifulSoup(response, "html.parser")
         try:
             jm = soup.find("div", id="journeesDuJour").find("h2").string
         except (ValueError, KeyError):
             self.signal_failure(event.target)
             return True
+
         if jm:
             self.bot.say(event.target, jm)
+        else:
+            self.signal_failure(event.target)
         return True