Fixed a load_from_instance

Author: tcalmant

javaobj/v2/transformers.py

@@ -89,7 +89,7 @@ def load_from_instance(self, instance, indent=0):
         """
         Load content from a parsed instance object
         """
-        for field, value in instance.field_data.values():
+        for field, value in instance.field_data.items():
             if field.name == "value":
                 self.value = value
                 return True