MaeMoney won't run on my device.

Here is the error I get:
/usr/bin/python /opt/maemoney/MaeMoney.py
Cannot load en_US locale from /opt/maemoney
Traceback (most recent call last):
File "/opt/maemoney/MaeMoney.py", line 37, in <module>
app = MaeMoney()
File "/opt/maemoney/MaeMoney.py", line 17, in __init__
self.controller.setLoginDialog(self.qMainWindow.lo ginDialog)
File "/opt/maemoney/MMController.py", line 28, in setLoginDialog
self.processCredentials)
TypeError: type 'string' is not supported as a slot argument type
~ $

QtNetwork and gdata are installed.