requirements: pin down attrs for pinned pytest

scop · scop · commit edf7c331b365 · 2019-12-12T14:11:18.000+02:00
diff --git a/requirements-dev.txt b/requirements-dev.txt
@@ -1,4 +1,5 @@
 pytest>=2.9.2,<4.1
+attrs<19.2
 py>=1.4.26
 mock>=1.0.1
 responses==0.3.0
