next(iter()) replaced with list()[0] -- don't tease weak minds

examples/core_dealer_router.py

@@ -47,7 +47,7 @@ def go():
         zmq.ROUTER,
         bind='tcp://127.0.0.1:*')
 
-    addr = next(iter(router.bindings()))
+    addr = list(router.bindings())[0]
     queue = asyncio.Queue()
     dealer, _ = yield from aiozmq.create_zmq_connection(
         lambda: ZmqDealerProtocol(queue, dealer_closed),

examples/rpc_custom_translator.py

@@ -33,7 +33,7 @@ def go():
     server = yield from aiozmq.rpc.serve_rpc(
         ServerHandler(), bind='tcp://*:*',
         translation_table=translation_table)
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr,

examples/rpc_dict_handler.py

@@ -20,7 +20,7 @@ def b():
 def go():
     server = yield from aiozmq.rpc.serve_rpc(
         handlers_dict, bind='tcp://*:*')
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr)

examples/rpc_dynamic.py

@@ -22,7 +22,7 @@ def func(self):
 def go():
     server = yield from aiozmq.rpc.serve_rpc(
         DynamicHandler(), bind='tcp://*:*')
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr)

examples/rpc_exception_translator.py

@@ -23,7 +23,7 @@ def remote(self, val):
 def go():
     server = yield from aiozmq.rpc.serve_rpc(
         ServerHandler(), bind='tcp://*:*')
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr,

examples/rpc_incorrect_calls.py

@@ -13,7 +13,7 @@ def remote_func(self, a: int, b: int) -> int:
 def go():
     server = yield from aiozmq.rpc.serve_rpc(
         ServerHandler(), bind='tcp://*:*')
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr)

examples/rpc_pipeline.py

@@ -19,7 +19,7 @@ def go():
     handler = Handler()
     listener = yield from aiozmq.rpc.serve_pipeline(
         handler, bind='tcp://*:*')
-    listener_addr = next(iter(listener.transport.bindings()))
+    listener_addr = list(listener.transport.bindings())[0]
 
     notifier = yield from aiozmq.rpc.connect_pipeline(
         connect=listener_addr)

examples/rpc_pubsub.py

@@ -20,7 +20,7 @@ def go():
     subscriber = yield from aiozmq.rpc.serve_pubsub(
         handler, subscribe='topic', bind='tcp://127.0.0.1:*',
         log_exceptions=True)
-    subscriber_addr = next(iter(subscriber.transport.bindings()))
+    subscriber_addr = list(subscriber.transport.bindings())[0]
     print("SERVE", subscriber_addr)
 
     publisher = yield from aiozmq.rpc.connect_pubsub(

examples/rpc_simple.py

@@ -13,7 +13,7 @@ def remote_func(self, a: int, b: int) -> int:
 def go():
     server = yield from aiozmq.rpc.serve_rpc(
         ServerHandler(), bind='tcp://*:*')
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr)

examples/rpc_with_subhandlers.py

@@ -28,7 +28,7 @@ def b(self):
 def go():
     server = yield from aiozmq.rpc.serve_rpc(
         Handler('ident'), bind='tcp://*:*')
-    server_addr = next(iter(server.transport.bindings()))
+    server_addr = list(server.transport.bindings())[0]
 
     client = yield from aiozmq.rpc.connect_rpc(
         connect=server_addr)