issues: 730017064
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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 |
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| 730017064 | MDU6SXNzdWU3MzAwMTcwNjQ= | 4542 | MultiIndex name (not 'names') is not set | 5635139 | closed | 0 | 1 | 2020-10-27T01:09:06Z | 2022-03-17T17:11:41Z | 2022-03-17T17:11:41Z | MEMBER | Minimal Complete Verifiable Example: ```python In [82]: da = xr.DataArray(data, dims=list("ab")).stack(c=[...]) In [83]: data = np.random.RandomState(0).randn(1000, 500) In [84]: da = xr.DataArray(data, dims=list("ab")).stack(c=[...]) In [85]: da.indexes['c'] Out[85]: MultiIndex([( 0, 0), ( 0, 1), ( 0, 2), ( 0, 3), ( 0, 4), ( 0, 5), ( 0, 6), ( 0, 7), ( 0, 8), ( 0, 9), ... (999, 490), (999, 491), (999, 492), (999, 493), (999, 494), (999, 495), (999, 496), (999, 497), (999, 498), (999, 499)], names=['a', 'b'], length=500000) In [89]: da.indexes['c'].name ``` What you expected to happen:
Environment: Output of <tt>xr.show_versions()</tt>In [90]: xr.show_versions() INSTALLED VERSIONS ------------------ commit: None python: 3.8.6 (default, Oct 8 2020, 14:06:32) [Clang 12.0.0 (clang-1200.0.32.2)] python-bits: 64 OS: Darwin OS-release: 19.6.0 machine: x86_64 processor: i386 byteorder: little LC_ALL: None LANG: en_US.UTF-8 LOCALE: en_US.UTF-8 libhdf5: None libnetcdf: None xarray: 0.16.1 pandas: 1.1.3 numpy: 1.19.2 scipy: 1.5.3 netCDF4: None pydap: None h5netcdf: None h5py: None Nio: None zarr: 2.5.0 cftime: 1.2.1 nc_time_axis: None PseudoNetCDF: None rasterio: None cfgrib: None iris: None bottleneck: 1.3.2 dask: 2.30.0 distributed: None matplotlib: 3.3.2 cartopy: None seaborn: 0.11.0 numbagg: installed pint: None setuptools: 50.3.2 pip: 20.2.3 conda: None pytest: 6.1.1 IPython: 7.18.1 sphinx: None |
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completed | 13221727 | issue |