install slixmpp

handlers/requirements.txt

@@ -1,7 +1,14 @@
+aiodns==3.2.0
 certifi==2022.12.7
+cffi==1.17.1
 charset-normalizer==3.1.0
 idna==3.4
+pyasn1==0.6.1
+pyasn1_modules==0.4.1
+pycares==4.5.0
+pycparser==2.22
 requests==2.29.0
 six==1.16.0
+slixmpp==1.9.1
 urllib3==1.26.15
 xmpppy==0.7.1