Added take

src/cpl_reactive_extensions/utils.py

@@ -1,10 +1,9 @@
 from typing import Callable
 
 from cpl_reactive_extensions import Observable, Subscriber
-from cpl_reactive_extensions.abc import Operator
 
 
-def operate(init: Callable[[Observable, Subscriber], Operator]):
+def operate(init: Callable[[Observable, Subscriber], None]):
     def observable(source: Observable):
         def create(self: Subscriber, lifted_source: Observable):
             try:
@@ -12,12 +11,9 @@ def operate(init: Callable[[Observable, Subscriber], Operator]):
             except Exception as e:
                 self.error(e)
 
-        operator = Operator()
-        operator.call = create
-
         if "lift" not in dir(source):
             raise TypeError("Unable to lift unknown Observable type")
 
-        return source.lift(operator)
+        return source.lift(create)
 
     return observable