Merge 72f6b9e into 0c5e6c2

statsmodels · Aug 15, 2014 · 578ee9f · 578ee9f
2 parents 0c5e6c2 + 72f6b9e
commit 578ee9f
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/statsmodels/tools/grouputils.py b/statsmodels/tools/grouputils.py
@@ -374,7 +374,12 @@ def labels(self):
             # Compat code for the labels -> codes change in pandas 0.15
             # FIXME: use .codes directly when we don't want to support pandas < 0.15
             tmp = pd.Categorical(self.index)
-            return getattr(tmp, "codes", tmp.labels)[None]
+            try:
+                labl = tmp.labels
+            except AttributeError:
+                labl = tmp.codes
+
+            return labl[None]
 
 
     @property