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id node_id number title user state locked assignee milestone comments created_at updated_at closed_at author_association active_lock_reason draft pull_request body reactions performed_via_github_app state_reason repo type
623131373 MDU6SXNzdWU2MjMxMzEzNzM= 4087 Bug in conversion frompd.series in 0.15.1 1277781 closed 0     3 2020-05-22T11:04:11Z 2020-05-22T11:59:40Z 2020-05-22T11:29:46Z CONTRIBUTOR      

Bug in conversion frompd.series

MCVE Code Sample

```python import pandas as pd import xarray as xr

data3 = pd.DataFrame([(1, 2, 1), (2, 2, 1)],columns=['x', 'B', 'A']) data3 = data3.set_index(['x']) data3.rename_axis('tag', axis=1, inplace=True) data3 = data3.stack() print(data3) print(xr.DataArray.from_series(data3).sel(tag='B')) ```

Expected Output

[2,2]

Problem Description

The same code gives the expected output in xarray 0.14.1 Also works correctly if "tag" dimension is properly sorted during DataFrame cretion.

Versions

Output of <tt>xr.show_versions()</tt> INSTALLED VERSIONS ------------------ commit: None python: 3.6.7 | packaged by conda-forge | (default, Jul 2 2019, 02:18:42) [GCC 7.3.0] python-bits: 64 OS: Linux OS-release: 4.1.12-124.38.1.el7uek.x86_64 machine: x86_64 processor: x86_64 byteorder: little LC_ALL: en_US.utf8 LANG: en_US.utf8 LOCALE: en_US.UTF-8 libhdf5: 1.10.4 libnetcdf: 4.6.3 xarray: 0.15.1 pandas: 0.25.0 numpy: 1.17.0 scipy: 1.3.0 netCDF4: 1.5.3 pydap: None h5netcdf: None h5py: 2.7.1 Nio: None zarr: None cftime: 1.1.3 nc_time_axis: None PseudoNetCDF: None rasterio: None cfgrib: None iris: None bottleneck: None dask: 2.16.0 distributed: None matplotlib: 3.1.1 cartopy: None seaborn: 0.9.0 numbagg: None setuptools: 46.3.1 pip: 19.2.1 conda: 4.8.3 pytest: 5.3.0 IPython: 7.7.0 sphinx: 2.1.2
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