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+# The order of packages is significant, because pip processes them in the order
+# of appearance. Changing the order has an impact on the overall integration
+# process, which may cause wedges in the gate later.
+
+hacking>=0.12.0,!=0.13.0,<0.14 # Apache-2.0
+
+coverage>=4.0 # Apache-2.0
+python-subunit>=0.0.18 # Apache-2.0/BSD
+sphinx>=1.2.1,!=1.3b1,<1.4 # BSD
+oslosphinx>=4.7.0 # Apache-2.0
+oslotest>=1.10.0 # Apache-2.0
+testrepository>=0.0.18  # Apache-2.0/BSD
+testscenarios>=0.4  # Apache-2.0/BSD
+testtools>=1.4.0 # MIT
+
+# releasenotes
+reno>=1.8.0 # Apache-2.0