Simplify code

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/forms.py

@@ -609,9 +609,10 @@ class InlineWordForm(WordForm):
     """Inline rendered form for adding words."""
     def __init__(self, *args, **kwargs):
         super(InlineWordForm, self).__init__(*args, **kwargs)
-        for field in ('source', 'target'):
-            self.fields[field].widget.attrs['placeholder'] = self.fields[field].label
-            self.fields[field].widget.attrs['size'] = 10
+        for fieldname in ('source', 'target'):
+            field = self.fields[fieldname]
+            field.widget.attrs['placeholder'] = field.label
+            field.widget.attrs['size'] = 10
 
 
 class DictUploadForm(forms.Form):