Limit dev-requirements to python 2.6 compat versions.

This should only apply to 1.17-2.3; 2.4 drops python 2.6
karatheodory · Nov 7, 2017 · 4c37640 · 4c37640
1 parent 1697b84
commit 4c37640
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/dev-requirements.txt b/dev-requirements.txt
@@ -1,11 +1,11 @@
 # Older junk
 tox>=1.4,<1.5
 # For newer tasks like building Sphinx docs.
-invoke>=0.13,<2.0
-invocations>=0.13,<2.0
+invoke>=0.13,<=0.21.0
+invocations>=0.13,<=0.20.0
 sphinx>=1.1.3,<1.5
 alabaster>=0.7.5,<2.0
-releases>=1.1.0,<2.0
+releases>=1.1.0,<1.4.0
 semantic_version<3.0
 wheel==0.24
 twine==1.9.1