bpo-30121: Fix test_subprocess for Windows Debug builds (GH-5758)

miss-islington · zware · web-flow · commit 622a82480277 · 2018-02-19T13:00:22.000-08:00
(cherry picked from commit 5537646) Co-authored-by: Zachary Ware <zachary.ware@gmail.com>
diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
@@ -1179,7 +1179,7 @@ def test_nonexisting_with_pipes(self):
                 msvcrt.CrtSetReportFile(report_type, msvcrt.CRTDBG_FILE_STDERR)
 
             try:
-                subprocess.Popen([cmd],
+                subprocess.Popen(cmd,
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE)
             except OSError:
