explain UNIQUE_NAME in the reserved public share context

sdk/python/sdk/zrok/zrok/listener.py

@@ -1,6 +1,7 @@
-from zrok.environment.root import Root
 import openziti
-    
+from zrok.environment.root import Root
+
+
 class Listener():
     shrToken: str
     root: Root
@@ -23,4 +24,4 @@ class Listener():
         self.__server.listen()
 
     def close(self):
-        self.__server.close()
+        self.__server.close()