Merge ~timur-adamow/wicd:fix-1184629 into wicd:master

[Timur]

Fix bug #1184629

Due to the bug #1184629, wicd-curses could crash after trying to find the index of the current bitrate and use it in a bitrate combobox. With this fix, wicd-curses will not attempt to select current bitrate if there is no current bitrate.

Unmerged commits

03d25af... by Timur Adamov <email address hidden> on 2019-10-07

Fix bug #1184629

diff --git a/curses/netentry_curses.py b/curses/netentry_curses.py
index 1803a16..b849afe 100644
--- a/curses/netentry_curses.py
+++ b/curses/netentry_curses.py
@@ -538,11 +538,9 @@ class WirelessSettingsDialog(AdvancedSettingsDialog):
         self.bitrates = wireless.GetAvailableBitrates()
         self.bitrates.append('auto')
         self.bitrate_combo.set_list(self.bitrates)
-        self.bitrate_combo.set_focus(
-            self.bitrates.index(
-                wireless.GetWirelessProperty(networkID, 'bitrate')
-            )
-        )
+        network_bitrate = wireless.GetWirelessProperty(networkID, 'bitrate')
+        if (network_bitrate is not None):
+            self.bitrate_combo.set_focus(self.bitrates.index(network_bitrate))
         self.allow_lower_bitrates_chkbox.set_state(
             to_bool(self.format_entry(networkID, 'allow_lower_bitrates'))
         )