Re-add trydevpi to dependency_links

It is needed to install Tryton's dependencies of dependencies.

issue8044

setup.py

@@ -56,6 +56,8 @@ tests_require = [
     get_require_version('trytond_account_invoice'),
     ]
 dependency_links = []
+if minor_version % 2:
+    dependency_links.append('https://trydevpi.tryton.org/')
 
 setup(name=name,
     version=version,