Improve dependency links

issue7049

setup.py

@@ -42,7 +42,6 @@ if minor_version % 2:
 
 dependency_links = []
 if minor_version % 2:
-    # Add development index for testing with trytond
     dependency_links.append('https://trydevpi.tryton.org/')
 
 setup(name=name,

tox.ini

@@ -7,4 +7,4 @@ deps =
 setenv =
     TRYTOND_DATABASE_URI={env:TRYTOND_DATBASE_URI:sqlite://}
     DB_NAME={env:DB_NAME::memory:}
-install_command = pip install --pre --find-links https://trydevpi.tryton.org/ {opts} {packages}
+install_command = pip install --pre --process-dependency-links {opts} {packages}