Add version added directive to documentation for AsyncStream

diff --git a/tweepy/asynchronous/streaming.py b/tweepy/asynchronous/streaming.py
index eca26b6e812d5737ed6fb791c3ccbea85e1ba0e7..8d812b06fb79e8fe8d60167abaf71cc3cefe314f 100644 (file)
--- a/tweepy/asynchronous/streaming.py
+++ b/tweepy/asynchronous/streaming.py
@@ -22,6 +22,8 @@ log = logging.getLogger(__name__)
 class AsyncStream:
     """Stream realtime Tweets asynchronously
 
+    .. versionadded:: 4.0
+
     Parameters
     ----------
     consumer_key: str