fix ase requirement

mhangaard · mhangaard · commit 336bb2002dd9 · 2018-12-04T15:56:15.000-08:00
diff --git a/requirements.txt b/requirements.txt
@@ -2,6 +2,6 @@ numpy
 mpmath
 matplotlib
 scipy
-ase
+ase<3.17.0
 graphviz
 tqdm
