@ -227,8 +227,9 @@ class FormDefinition(object):
"""
try:
value = form_values[field_def['name']]
except KeyError:
return None
except KeyError, err:
raise ValidationError("Invalid file upload")
field_name = field_def['name']
upload_fname = form_values[u'{0}__name'.format(field_name)]
upload_fname_ext = os.path.splitext(upload_fname)[-1].lstrip('.')