Merge pull request #18 from ALERTua/state_exist

adds state.exist staticmethod

Author: dmamelin

apps/pyscript_autocomplete/pyscript_builtins.py

@@ -105,6 +105,10 @@ def set(name: str, value=None, new_attributes=None, **kwargs):
     def setattr(name, value):
         ...
 
+    @staticmethod
+    def exist(entity_id) -> bool:
+        ...
+
 
 class event:
     @staticmethod