specify exact pandas version

alex-wenzel · web-flow · commit cd316b518a5b · 2019-03-05T09:19:32.000-08:00
diff --git a/requirements.txt b/requirements.txt
@@ -1,7 +1,7 @@
 cmake==0.9.0
 matplotlib==3.0.2
 numpy==1.15.0
-pandas>=0.23.4
+pandas==0.23.4
 seaborn==0.9.0
 plotly==2.4.1
 genepattern-notebook>=0.7.1
