KeyError when trying to select a list of DataArrays with different name type #5387
Description
What happened:
Looks like I can't select a list of DataArrays with different name type.
What you expected to happen:
If this is not a bug, consider raising a more informative error.
Minimal Complete Verifiable Example:
import xarray as xr
from xarray import Dataset, DataArray
keys = ["foo", 1]
ds = Dataset()
for key in keys:
ds[key] = DataArray()
ds[keys]KeyError: '1'
Environment:
Output of xr.show_versions()
INSTALLED VERSIONS
commit: None
python: 3.9.4 | packaged by conda-forge | (default, May 10 2021, 22:13:33)
[GCC 9.3.0]
python-bits: 64
OS: Linux
OS-release: 5.8.0-53-generic
machine: x86_64
processor: x86_64
byteorder: little
LC_ALL: None
LANG: en_US.UTF-8
LOCALE: ('en_US', 'UTF-8')
libhdf5: 1.10.6
libnetcdf: 4.8.0
xarray: 0.18.2
pandas: 1.2.4
numpy: 1.20.3
scipy: None
netCDF4: 1.5.6
pydap: None
h5netcdf: None
h5py: None
Nio: None
zarr: None
cftime: 1.5.0
nc_time_axis: None
PseudoNetCDF: None
rasterio: None
cfgrib: None
iris: None
bottleneck: None
dask: 2021.05.0
distributed: 2021.05.0
matplotlib: 3.4.2
cartopy: None
seaborn: None
numbagg: None
pint: 0.17
setuptools: 49.6.0.post20210108
pip: 21.1.2
conda: None
pytest: 6.2.4
IPython: 7.23.1
sphinx: None