From 99ddad772f6441b86edf13677589528da4b2f152 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Sat, 19 May 2018 00:37:41 +0200
Subject: [PATCH] Work around pexpect bug

---
 pymbolic/interop/maxima.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pymbolic/interop/maxima.py b/pymbolic/interop/maxima.py
index e2c624c..4be1dcf 100644
--- a/pymbolic/interop/maxima.py
+++ b/pymbolic/interop/maxima.py
@@ -355,6 +355,12 @@ class MaximaKernel:
     # {{{ execution control
 
     def restart(self):
+        # https://github.com/pexpect/pexpect/issues/462
+        # caused issues like
+        # https://gitlab.tiker.net/inducer/pymbolic/-/jobs/50932
+        self.child.delayafterclose = 5
+        self.child.ptyproc.delayafterclose = 5
+
         self.child.close(force=True)
         self._initialize()
 
-- 
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