cope with missing currencies

apps/paypal/__init__.py

@@ -60,13 +60,12 @@ class CurrencyError(PaypalError):
 
     def __str__(self):
         default = _('There was an error with this currency.')
-        if self.paypal_data:
+        if self.paypal_data and 'currencyCode' in self.paypal_data:
             return (messages.get(self.id) %
                     amo.PAYPAL_CURRENCIES[self.paypal_data['currencyCode']])
         return default
 
 
-
 errors = {'520003': AuthError}
 # See http://bit.ly/vWV525 for information on these values.
 # Note that if you have and invalid preapproval key you get 580022, but this

apps/paypal/tests/test.py

@@ -95,6 +95,17 @@ class TestPayKey(amo.tests.TestCase):
         else:
             raise ValueError('No PaypalError was raised')
 
+    @mock.patch('urllib2.OpenerDirector.open')
+    def test_error_no_currency(self, opener):
+        opener.return_value = StringIO(other_error.replace('520001', '559044'))
+        try:
+            data = self.data.copy()
+            paypal.get_paykey(data)
+        except paypal.PaypalError as error:
+            eq_(error.id, '559044')
+        else:
+            raise ValueError('No PaypalError was raised')
+
     @mock.patch('urllib2.OpenerDirector.open')
     def test_other_fails(self, opener):
         opener.return_value = StringIO(other_error)