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

(cherry picked from commit 5537646bfacec463b450871dde31cb06c44a0556)

Co-authored-by: Zachary Ware <zachary.ware@gmail.com>

diff --git a/Lib/test/test_subprocess.py b/Lib/test/test_subprocess.py
index 858a70131205863bc94df900c8d0b6c170a28e13..b3ccb0de63a84cdef72a0d6e3df8815e6fb584de 100644 (file)
--- a/Lib/test/test_subprocess.py
+++ b/Lib/test/test_subprocess.py
@@ -1179,7 +1179,7 @@ class ProcessTestCase(BaseTestCase):
                 msvcrt.CrtSetReportFile(report_type, msvcrt.CRTDBG_FILE_STDERR)
 
             try:
-                subprocess.Popen([cmd],
+                subprocess.Popen(cmd,
                                  stdout=subprocess.PIPE,
                                  stderr=subprocess.PIPE)
             except OSError: