Fixed Transaction ,-usage and error for transactiontype

k4ever/main/fields.py

@@ -23,7 +23,7 @@ class CurrencyField (forms.RegexField):
 			self.currencyRe, None, None, *args, **kwargs)
 	def to_python(self, value):
 		try:
-			value = Decimal(value)
+			value = Decimal(value.replace(",", "."))
 		except (ValueError, TypeError, InvalidOperation):
 			raise ValidationError("Bitte gib eine Zahl ein")
 		return value

k4ever/transaction/forms.py

@@ -18,7 +18,8 @@ class TransactionForm(forms.ModelForm):
 	def clean(self):
 		# needed to enforce TransactionTypes needsCheck "default value"
 		cleaned_data = super(TransactionForm, self).clean()
-		self.instance.checked = not cleaned_data['transactionType'].needsCheck
+		if cleaned_data.has_key("transactionType"):
+			self.instance.checked = not cleaned_data['transactionType'].needsCheck
 		return cleaned_data
 
 class VirtualTransactionForm(forms.ModelForm):