Raise min nbxmpp version to 0.6.7

gajim/gajim.py

@@ -29,7 +29,7 @@ from distutils.version import LooseVersion as V
 # Install _() in namespace
 from gajim.common import i18n
 
-_MIN_NBXMPP_VER = "0.6.6"
+_MIN_NBXMPP_VER = "0.6.7"
 _MIN_GTK_VER = "3.22.0"
 
 

setup.py

@@ -285,7 +285,7 @@ setup(
     data_files=data_files,
     install_requires=[
         'keyring',
-        'nbxmpp>=0.6.6',
+        'nbxmpp>=0.6.7',
         'pyOpenSSL>=0.12',
         'cssutils>=1.0.2'
     ]