Fix expected max bounds on 32-bit Windows

Author: zanieb

src/verify_distribution.py

@@ -3,6 +3,7 @@
 # file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 import os
+import platform
 import sys
 import unittest
 
@@ -180,7 +181,8 @@ def test_zstd_multithreaded(self):
         from compression import zstd
 
         bounds = zstd.CompressionParameter.nb_workers.bounds()
-        assert bounds == (0, 256), (
+        expected_max = 64 if os.name == "nt" and platform.machine() == "i386" else 256
+        assert bounds == (0, expected_max), (
             f"Expected multithreading to be enabled, got {bounds}"
         )