1 files changed, 3 insertions, 1 deletions
diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
index 97981dd..ce8175a 100644
--- a/Lib/test/test_hashlib.py
+++ b/Lib/test/test_hashlib.py
@@ -9,6 +9,7 @@
 import array
 import hashlib
 import itertools
+import os
 import sys
 try:
     import threading
@@ -37,7 +38,8 @@ class HashLibTestCase(unittest.TestCase):
                              'sha224', 'SHA224', 'sha256', 'SHA256',
                              'sha384', 'SHA384', 'sha512', 'SHA512' )
 
-    _warn_on_extension_import = COMPILED_WITH_PYDEBUG
+    # Issue #14693: fallback modules are always compiled under POSIX
+    _warn_on_extension_import = os.name == 'posix' or COMPILED_WITH_PYDEBUG
 
     def _conditional_import_module(self, module_name):
         """Import a module and return a reference to it or None on failure."""