Undecorate RenderInfo result property (#39108)

homeassistant/helpers/event.py

@@ -680,7 +680,7 @@ class _TrackTemplateResultInfo:
             info_changed = True
 
             try:
-                result: Union[str, TemplateError] = self._info[template].result
+                result: Union[str, TemplateError] = self._info[template].result()
             except TemplateError as ex:
                 result = ex
 

homeassistant/helpers/template.py

@@ -175,7 +175,6 @@ class RenderInfo:
             split_entity_id(entity_id)[0] in self.domains or entity_id in self.entities
         )
 
-    @property
     def result(self) -> str:
         """Results of the template computation."""
         if self.exception is not None:

tests/helpers/test_template.py

@@ -51,7 +51,7 @@ def extract_entities(hass, template_str, variables=None):
 
 def assert_result_info(info, result, entities=None, domains=None, all_states=False):
     """Check result info."""
-    assert info.result == result
+    assert info.result() == result
     assert info.all_states == all_states
     assert info.filter_lifecycle("invalid_entity_name.somewhere") == all_states
     if entities is not None:
@@ -96,7 +96,7 @@ def test_invalid_template(hass):
 
     info = tmpl.async_render_to_info()
     with pytest.raises(TemplateError):
-        assert info.result == "impossible"
+        assert info.result() == "impossible"
 
     tmpl = template.Template("{{states(keyword)}}", hass)