From a0f09e23dd19f0cf223034f9b787a4f038cd995d Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Fri, 22 Nov 2019 13:26:13 -0500
Subject: testsuite: Simplify Python <3.5 fallback for TextIO

(cherry picked from commit d092d8598694c23bc07cdcc504dff52fa5f33be1)
---
 testsuite/driver/my_typing.py | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'testsuite/driver')

diff --git a/testsuite/driver/my_typing.py b/testsuite/driver/my_typing.py
index a31775d7f2..c3f3e02fe7 100644
--- a/testsuite/driver/my_typing.py
+++ b/testsuite/driver/my_typing.py
@@ -24,8 +24,11 @@ except:
 # is taken. We exploit this below.
 
 # TextIO is missing on some older Pythons.
-if 'TextIO' in globals():
-    TextIO = typing.TextIO
+if 'TextIO' not in globals():
+    try:
+        TextIO = typing.TextIO
+    except ImportError:
+        TextIO = None # type: ignore
 else:
     TextIO = None # type: ignore
 
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