import str backport to support unicode in cat slot. fixes #774C

CHANGELOG.rst

@@ -29,6 +29,7 @@ Fixed
 -----
 - fixed an issue with boolean slots where False and None had the same value
   (breaking model compatibility with models that use a boolean slot)
+- properly handle non ascii categorical slot values, e.g. ``大于100亿元``
 
 [0.11.8] - 2018-09-28
 ^^^^^^^^^^^^^^^^^^^^^

rasa_core/slots.py

@@ -3,6 +3,8 @@
 from __future__ import print_function
 from __future__ import unicode_literals
 
+from builtins import str
+
 import logging
 
 from rasa_core import utils

tests/test_slots.py

@@ -148,15 +148,16 @@ def value_feature_pair(self, request):
 class TestCategoricalSlot(SlotTestCollection):
     def create_slot(self):
         return CategoricalSlot("test",
-                               values=[1, "two", {"three": 3}, None])
+                               values=[1, "two", "小于", {"three": 3}, None])
 
     @pytest.fixture(params=[{"a": "b"}, 2, True, "asd", "🌴"])
     def invalid_value(self, request):
         return request.param
 
-    @pytest.fixture(params=[(None, [0, 0, 0, 1]),
-                            (1, [1, 0, 0, 0]),
-                            ("two", [0, 1, 0, 0]),
-                            ({"three": 3}, [0, 0, 1, 0])])
+    @pytest.fixture(params=[(None, [0, 0, 0, 0, 1]),
+                            (1, [1, 0, 0, 0, 0]),
+                            ("two", [0, 1, 0, 0, 0]),
+                            ("小于", [0, 0, 1, 0, 0]),
+                            ({"three": 3}, [0, 0, 0, 1, 0])])
     def value_feature_pair(self, request):
         return request.param