Fix cython build

pyfiles/dtw_cort_dist/V5_cython/Makefile

 
-dtw_cort.so: setup.py dtw_cort.pyx
-	python3 setup.py build_ext
-	mv build/lib.linux-x86_64-3.7/dtw_cort.cpython-37m-x86_64-linux-gnu.so dtw_cort.so
+build: setup.py dtw_cort.pyx
+	python3 setup.py develop
 
-run: dtw_cort.so
+run:
 	python3 dtw_cort_dist_mat.py ../data.npy -s dists_cython.npz
 
-test: dtw_cort.so
+test:
 	python3 dtw_cort_dist_mat.py ../data.npy -s dists_cython.npz
 	python3 check.py
 
 clean:
-	rm -rf build dtw_cort.c dtw_cort.so
+	rm -rf build dtw_cort.c dtw_cort.*.so
 	rm -f dists_cython.npz
 	rm -f dtw_cort.html

pyfiles/dtw_cort_dist/V5_cython/setup.py

-from distutils.core import setup
+from setuptools import setup
 from Cython.Build import cythonize
 
 setup(