File cython3.patch of Package python-dtaidistance

From a4b4bbf4be5bac7b95210b993ee24213bc2a0a36 Mon Sep 17 00:00:00 2001
From: Pieter Robberechts <pieter.robberechts@kuleuven.be>
Date: Tue, 25 Jul 2023 16:34:07 +0200
Subject: [PATCH] Fix build for Cython v3.0.0

Fixes #195
---
 setup.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/setup.py b/setup.py
index de52e266..a5458591 100755
--- a/setup.py
+++ b/setup.py
@@ -403,7 +403,7 @@ def check_openmp(cc_bin, noxpreprocessor, printfn=print):
     extensions.append(
         Extension(
             "dtaidistance.dtw_cc",
-            ["dtaidistance/dtw_cc.pyx", "dtaidistance/dtw_cc.pxd",
+            ["dtaidistance/dtw_cc.pyx",
              "dtaidistance/lib/DTAIDistanceC/DTAIDistanceC/dd_dtw.c",
              "dtaidistance/lib/DTAIDistanceC/DTAIDistanceC/dd_ed.c"
              ],
@@ -447,8 +447,8 @@ def check_openmp(cc_bin, noxpreprocessor, printfn=print):
     else:
         print("WARNING: Numpy was not found, preparing a version without Numpy support.")
 
-    ext_modules = cythonize(extensions)
-                            # compiler_directives={'language_level': "3"})
+    ext_modules = cythonize(extensions, language_level=2)
+
 else:
     print("WARNING: Cython was not found, preparing a pure Python version.")
     ext_modules = []