o-nikolas commented on code in PR #27184:
URL: https://github.com/apache/airflow/pull/27184#discussion_r1007576007


##########
airflow/providers/ssh/hooks/ssh.py:
##########
@@ -491,9 +491,12 @@ def exec_ssh_client_command(
         if stdout_buffer_length > 0:
             agg_stdout += stdout.channel.recv(stdout_buffer_length)
 
+        timedout = False
+
         # read from both stdout and stderr
         while not channel.closed or channel.recv_ready() or 
channel.recv_stderr_ready():
             readq, _, _ = select([channel], [], [], timeout)
+            timedout = len(readq) == 0

Review Comment:
   I don't have a deep enough understanding of the select api and ssh to know 
for sure, but it seems harmless to check the others.
   
   If you're positive that this is correct then I'm happy to commit and 
approve.  



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