--- a/scripts/process.py	Fri Jun 01 10:43:23 2018 -0400
+++ b/scripts/process.py	Fri Jun 01 10:47:49 2018 -0400
@@ -1,4 +1,4 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
 
 import sys, argparse
 from pathlib2 import Path
@@ -86,7 +86,7 @@
     for speeds, name in zip([medianSpeeds, speeds85], ['Median', '85th Centile']):
         plt.ioff()
         plt.figure()
-        plt.boxplot(speeds.values(), labels = [session.query(Site).get(siteId).name for siteId in speeds])
+        plt.boxplot(list(speeds.values()), labels = [session.query(Site).get(siteId).name for siteId in speeds])
         plt.ylabel(name+' Speeds (km/h)')
         plt.savefig(name.lower()+'-speeds.png', dpi=150)
         plt.close()