Block while waiting for reply

Quentin Peter · Quentin Peter · commit 55f44a1061d1 · 2019-10-23T18:58:32.000+01:00
diff --git a/ipykernel/kernelbase.py b/ipykernel/kernelbase.py
@@ -926,7 +926,7 @@ def _input_request_loop_step(self):
             self.eventloop(self)
             return self._stdin_msg
         else:
-            ident, reply = self.session.recv(self.stdin_socket)
+            ident, reply = self.session.recv(self.stdin_socket, 0)
             return reply
 
     def _at_shutdown(self):
