global-requirements: Avoid setuptools 34.0.0-34.2.0

setuptools seems to have some race issues when forcing a package
reinstallation with 'pip install --upgrade --force-reinstall' as
described in pypa/setuptools#951. Restrict
newer setuptools until a fixed package is released.

Change-Id: I8bc3f0e84b2812bbf7f8a9f54c870115ebbb052d
Link: pypa/setuptools#951

Author: Markos Chandras

global-requirements.txt

@@ -384,7 +384,8 @@ selenium>=2.50.1  # Apache-2.0
 # setting a lower bound is not harmful - it makes error messages cleaner. DO
 # NOT set an upper bound on setuptools, as that will lead to uninstallable
 # situations as progressive releases of projects are done.
-setuptools>=16.0,!=24.0.0  # PSF/ZPL
+# Blacklist setuptools 34.0.0-34.0.2 due to https://github.com/pypa/setuptools/issues/951
+setuptools>=16.0,!=24.0.0,!=34.0.0,!=34.0.1,!=34.0.2,!=34.0.3,!=34.1.0,!=34.1.1,!=34.2.0  # PSF/ZPL
 sphinx>=1.5.1  # BSD
 sphinx-testing # BSD License
 sphinxcontrib-blockdiag  # BSD