specify module version before importing

src/chat_control.py

@@ -29,6 +29,7 @@
 
 import os
 import time
+gi.require_version('GdkX11', '3.0')
 from gi.repository import GdkX11
 from gi.repository import Gtk
 from gi.repository import Gdk

src/gtkgui_helpers.py

@@ -177,11 +177,12 @@ def get_default_font():
     Xfce and last KDE it returns None on failure or else a string 'Font Size'
     """
     try:
+        gi.require_version('GConf', '2.0')
         from gi.repository import GConf
         client = GConf.Client.get_default()
         value = client.get_string("/desktop/gnome/interface/font_name")
         return value.decode("utf8")
-    except ImportError:
+    except ValueError:
         pass
 
     # try to get Xfce default font

src/gtkspell.py

@@ -18,6 +18,7 @@
 ## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
 
 from gi.repository import Gtk
+gi.require_version('GtkSpell', '3.0')
 from gi.repository import GtkSpell
 
 def ensure_attached(func):

src/gui_interface.py

@@ -2779,15 +2779,16 @@ class Interface:
                 gajim.ZEROCONF_ACC_NAME = account
                 break
         # Is gnome configured to activate row on single click ?
-        try:
-            from gi.repository import GConf
-            client = GConf.Client.get_default()
-            click_policy = client.get_string(
-                    '/apps/nautilus/preferences/click_policy')
-            if click_policy == 'single':
-                gajim.single_click = True
-        except Exception:
-            pass
+#        try:
+#            gi.require_version('GConf', '2.0')
+#            from gi.repository import GConf
+#            client = GConf.Client.get_default()
+#            click_policy = client.get_string(
+#                    '/apps/nautilus/preferences/click_policy')
+#            if click_policy == 'single':
+#                gajim.single_click = True
+#        except Exception:
+#            pass
         # add default status messages if there is not in the config file
         if len(gajim.config.get_per('statusmsg')) == 0:
             default = gajim.config.statusmsg_default