From e6cd74cf1f2040821be5a606df87ed03234996c6 Mon Sep 17 00:00:00 2001
From: Matthias Seitz <matthias.seitz@outlook.de>
Date: Mon, 23 Aug 2021 16:55:36 +0200
Subject: [PATCH] fix: add send + unpin to stream type (#402)

---
 ethers-providers/src/pubsub.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ethers-providers/src/pubsub.rs b/ethers-providers/src/pubsub.rs
index 6bd6bc44..15a635dd 100644
--- a/ethers-providers/src/pubsub.rs
+++ b/ethers-providers/src/pubsub.rs
@@ -15,7 +15,7 @@ use std::{
 /// A transport implementation supporting pub sub subscriptions.
 pub trait PubsubClient: JsonRpcClient {
     /// The type of stream this transport returns
-    type NotificationStream: futures_core::Stream<Item = Value>;
+    type NotificationStream: futures_core::Stream<Item = Value> + Send + Unpin;
 
     /// Add a subscription to this transport
     fn subscribe<T: Into<U256>>(&self, id: T) -> Result<Self::NotificationStream, Self::Error>;