Fix weather statistics script

[nodeg]

When executing the Python script on the Kobo Libra Colour, I get a segmentation fault:

telnet 192.168.179.13 1023
Trying 192.168.179.13...
Connected to kobo.fritz.box.
Escape character is '^]'.

kobo login: admin
Password:
login: cant change directory to '/home/admin'
[root@kobo ~]# echo C > /mnt/onboard/.apps/koboWeather/unit.txt
[root@kobo ~]# cat /mnt/onboard/.apps/koboWeather/unit.txt
C
[root@kobo ~]# /mnt/onboard/.python/install-python.sh
Installing python and pygame libraries . . .
Python successfully installed!
[root@kobo ~]# /mnt/onboard/.python/weather.sh

For the weather forecast to work, please enter your latitude and longitude.
There is an easy to use map at http://stereopsis.com/flux/map.html

Enter your latitude: XX.XXXXX
Enter your longitude: XX.XXXX
Just a moment . . .
Segmentation fault

[root@kobo ~]# cd /mnt/onboard/.apps/koboWeather
[root@kobo koboWeather]# ls -l
total 704
-rwxr-xr-x    1 root     root         97908 Mar 21  2011 Cabin-Regular.ttf
-rwxr-xr-x    1 root     root        169096 Jan  2  2012 Comfortaa-Regular.ttf
-rwxr-xr-x    1 root     root         16312 May  1  2011 Fabrica.otf
-rwxr-xr-x    1 root     root        303316 Oct 16  2012 Forum-Regular.ttf
-rwxr-xr-x    1 root     root           391 Oct 20  2012 autoupdate.sh
-rwxr-xr-x    1 root     root            42 Oct 19  2012 cron
drwxr-xr-x    2 root     root         16384 Jun  2 11:16 icons
-rwxr-xr-x    1 root     root            16 Jun  2 12:18 location
-rwxr-xr-x    1 root     root           361 Oct 19  2012 set_location.sh
-rwxr-xr-x    1 root     root             2 Jun  2 12:17 unit.txt
-rwxr-xr-x    1 root     root         11904 Nov  2  2012 weather.py
[root@kobo koboWeather]# python --version
Python 2.7.2
[root@kobo koboWeather]# python weather.py
Segmentation fault