fix

dcherian · Apr 10, 2022 · d613779 · d613779
1 parent da31c4f
commit d613779
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/xarray/core/groupby.py b/xarray/core/groupby.py
@@ -634,7 +634,8 @@ def _flox_reduce(self, dim, **kwargs):
 
         # TODO: handle bins=N in flox
         if self._bins is not None:
-            expected_groups = (self._bins,)
+            # TODO: fix this; When binning by time, self._bins is a DatetimeIndex
+            expected_groups = (np.array(self._bins),)
             isbin = (True,)
             # This is an annoying hack. Xarray returns np.nan
             # when there are no observations in a bin, instead of 0.