Index: imagecodecs-2021.1.28/setup.py
===================================================================
--- imagecodecs-2021.1.28.orig/setup.py
+++ imagecodecs-2021.1.28/setup.py
@@ -105,7 +105,7 @@ def ext(**kwargs):
 
 
 OPTIONS = {
-    'cythonize': sys.version_info >= (3, 10) or 'PyPy' in sys.version,
+    'cythonize': True,
     'include_dirs': ['imagecodecs'],
     'library_dirs': [],
     'libraries': ['m'] if sys.platform != 'win32' else [],