issue_comments: 433128556

For reference, here's the current stacktrace/error message: ```python-traceback

TypeError Traceback (most recent call last) <ipython-input-7-74fe4ba70f9d> in <module>() ----> 1 da[{'dim_1' : indc}]

/usr/local/lib/python3.6/dist-packages/xarray/core/dataarray.py in getitem(self, key) 472 else: 473 # xarray-style array indexing --> 474 return self.isel(indexers=self._item_key_to_dict(key)) 475 476 def setitem(self, key, value):

/usr/local/lib/python3.6/dist-packages/xarray/core/dataarray.py in isel(self, indexers, drop, **indexers_kwargs) 817 """ 818 indexers = either_dict_or_kwargs(indexers, indexers_kwargs, 'isel') --> 819 ds = self._to_temp_dataset().isel(drop=drop, indexers=indexers) 820 return self._from_temp_dataset(ds) 821

/usr/local/lib/python3.6/dist-packages/xarray/core/dataset.py in isel(self, indexers, drop, **indexers_kwargs) 1537 for name, var in iteritems(self._variables): 1538 var_indexers = {k: v for k, v in indexers_list if k in var.dims} -> 1539 new_var = var.isel(indexers=var_indexers) 1540 if not (drop and name in var_indexers): 1541 variables[name] = new_var

/usr/local/lib/python3.6/dist-packages/xarray/core/variable.py in isel(self, indexers, drop, **indexers_kwargs) 905 if dim in indexers: 906 key[i] = indexers[dim] --> 907 return self[tuple(key)] 908 909 def squeeze(self, dim=None):

/usr/local/lib/python3.6/dist-packages/xarray/core/variable.py in getitem(self, key) 614 array x.values directly. 615 """ --> 616 dims, indexer, new_order = self._broadcast_indexes(key) 617 data = as_indexable(self._data)[indexer] 618 if new_order:

/usr/local/lib/python3.6/dist-packages/xarray/core/variable.py in _broadcast_indexes(self, key) 487 return self._broadcast_indexes_outer(key) 488 --> 489 return self._broadcast_indexes_vectorized(key) 490 491 def _broadcast_indexes_basic(self, key):

/usr/local/lib/python3.6/dist-packages/xarray/core/variable.py in _broadcast_indexes_vectorized(self, key) 599 new_order = None 600 --> 601 return out_dims, VectorizedIndexer(tuple(out_key)), new_order 602 603 def getitem(self, key):

/usr/local/lib/python3.6/dist-packages/xarray/core/indexing.py in init(self, key) 423 else: 424 raise TypeError('unexpected indexer type for {}: {!r}' --> 425 .format(type(self).name, k)) 426 new_key.append(k) 427

TypeError: unexpected indexer type for VectorizedIndexer: dask.array<xarray-\<this-array>, shape=(10,), dtype=int64, chunksize=(2,)> ```

It looks like we could support this relatively easily since dask.array supports indexing with dask arrays now. This would be a welcome enhancement!