Pin traitlets to fix build for python 3.5

kbattocchi · kbattocchi · commit ffdfda8bf733 · 2020-09-04T21:40:49.000-04:00
diff --git a/setup.cfg b/setup.cfg
@@ -59,6 +59,7 @@ tests_require =
     pytest-cov
     jupyter
     nbconvert < 6
+    traitlets < 5; python_version <= '3.5'
     seaborn
     lightgbm
     dowhy
