From 1434b66c3543d9b7876501c03913d77ad9404c0f Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Tue, 13 Aug 2019 17:54:40 +0200
Subject: [PATCH] pytester: spawn: skip without pexpect.spawn

"pexpect" can be imported on Windows, but does not have "pexpect.spawn"
then.

Ref: https://github.com/pexpect/pexpect/blob/a803933ed53/pexpect/__init__.py#L73-L76
---
 src/_pytest/pytester.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/_pytest/pytester.py b/src/_pytest/pytester.py
index 80219b1a6..5835f01d1 100644
--- a/src/_pytest/pytester.py
+++ b/src/_pytest/pytester.py
@@ -1188,6 +1188,8 @@ class Testdir:
             pytest.skip("pypy-64 bit not supported")
         if sys.platform.startswith("freebsd"):
             pytest.xfail("pexpect does not work reliably on freebsd")
+        if not hasattr(pexpect, "spawn"):
+            pytest.skip("pexpect.spawn not available")
         logfile = self.tmpdir.join("spawn.out").open("wb")
 
         # Do not load user config.