explicitly set cython language_level (#358)

SciTools · Oct 12, 2023 · 62b454d · 62b454d
1 parent 817b7f7
commit 62b454d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/setup.py b/setup.py
@@ -141,7 +141,9 @@ def _set_builtin(name, value):
 
 if cythonize:
     [udunits_ext] = cythonize(
-        udunits_ext, compiler_directives=COMPILER_DIRECTIVES, language_level=2
+        udunits_ext,
+        compiler_directives=COMPILER_DIRECTIVES,
+        language_level="3str",
     )
 
 cmdclass = {"clean_cython": CleanCython, "build_ext": numpy_build_ext}