diff --git a/nexus/bin/nxs-test b/nexus/bin/nxs-test
index e99f53799..130e109d8 100755
--- a/nexus/bin/nxs-test
+++ b/nexus/bin/nxs-test
@@ -2058,7 +2058,7 @@ def regenerate_reference(update=False):
     #end if
 
     # execute all example scripts in generate_only mode
-    for label,einfo in example_information.iteritems():
+    for label,einfo in example_information.items():
         example_path = einfo['path']
         for script in einfo['scripts']:
             nlog('generating reference data for '+script,n=1)
@@ -2107,7 +2107,7 @@ def regenerate_reference(update=False):
         failed_examples = []
         all_examples = []
         ref_example_dir = os.path.join(reference_dir,exdir)
-        for label,einfo in example_information.iteritems():
+        for label,einfo in example_information.items():
             example_path = einfo['path']
             for code,filetype,filepath in einfo['files']:
                 ref_filepath = os.path.join(ref_example_dir,example_path,filepath)
diff --git a/nexus/bin/qdens b/nexus/bin/qdens
index 41e19aec3..a6184e8ad 100755
--- a/nexus/bin/qdens
+++ b/nexus/bin/qdens
@@ -513,7 +513,7 @@ class StatFile(QDBase):
         opt = self.options
         if len(self.spin_density_data)==1 and opt.grids is None and opt.grid is not None:
             opt.grids = obj()
-            opt.grids[self.spin_density_data.keys()[0]] = opt.grid
+            opt.grids[list(self.spin_density_data.keys())[0]] = opt.grid
         #end if
     #end def read