remove redundant import that current rust nightly complains about (#43)

src/socket_types/dealer.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{comm::SenderReceiver, poll::ZmqPoller, FromZmqSocket, SocketBuilder};
 

src/socket_types/pair.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{comm::SenderReceiver, poll::ZmqPoller, FromZmqSocket, SocketBuilder};
 

src/socket_types/publish.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{poll::ZmqPoller, FromZmqSocket, Sender, SocketBuilder};
 

src/socket_types/pull.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{comm::Receiver, poll::ZmqPoller, FromZmqSocket, SocketBuilder};
 

src/socket_types/push.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{comm::Sender, poll::ZmqPoller, FromZmqSocket, SocketBuilder};
 

src/socket_types/request_reply.rs

@@ -1,7 +1,7 @@
 use std::pin::Pin;
 
 use crate::{poll::ZmqPoller, FromZmqSocket, Multipart, SocketBuilder};
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 /// Create a builder for a REQ socket
 pub fn request(context: &ZmqContext) -> SocketBuilder<RequestSender> {

src/socket_types/router.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{
     comm::SenderReceiver, poll::ZmqPoller, socket::AsZmqSocket, FromZmqSocket, Result,

src/socket_types/subscribe.rs

@@ -1,4 +1,4 @@
-use zmq::{self, Context as ZmqContext};
+use zmq::Context as ZmqContext;
 
 use crate::{poll::ZmqPoller, socket::AsZmqSocket, FromZmqSocket, Receiver, SocketBuilder};