···

       
18
       
18
       
 
       
  #!${

     

       
19
       
19
       
 
       
    (python3.withPackages (

     

       
20
       
20
       
 
       
      ps:

     

       
21
       
21
       
+
       
      with ps;

     

       
21
       
22
       
 
       
      [

     

       
22
       
22
       
-
       
        ps.slixmpp

     

       
23
       
23
       
+
       
        slixmpp

     

       
23
       
24
       
 
       
      ]

     

       
25
       
25
       
+
       
      ++ slixmpp.optional-dependencies.xep-0363

     

       
24
       
26
       
 
       
    )).interpreter

     

       
25
       
27
       
 
       
  }

     

       
26
       
28
       
 
       
  import logging