Add scipy to setup requirements

setup.py

@@ -79,6 +79,7 @@
     'pip>=1.8,<21.3',
     'setuptools>18.5,<60.0', # versioneer requires >18.5
     'numpy>=1.17,<1.23',
+    'scipy>=1.6,<1.14',
     'cython~=0.29.0', # needed for the setup and for the install
     'scikit-learn<=1.1.2',
 ]