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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
385426092 MDU6SXNzdWUzODU0MjYwOTI= 2580 examples/xarray_multidimensional_coords.ipynb broken? cdeil 852409 closed 0     4 2018-11-28T19:39:16Z 2018-11-29T09:32:57Z 2018-11-28T22:30:36Z CONTRIBUTOR      

I tried running examples/xarray_multidimensional_coords.ipynb and found a few issues.

First xarray.version didn't exist, so I changed to xr.__version_.

Next I changed to ds = xr.tutorial.open_dataset('rasm').load() to get rid of a deprecation warning.

Finally, the plot example failed like this: ```

AttributeError Traceback (most recent call last) <ipython-input-23-b7284116c837> in <module> 2 ax = plt.axes(projection=ccrs.PlateCarree()) 3 ax.set_global() ----> 4 ds.Tair[0].plot.pcolormesh(ax=ax, transform=ccrs.PlateCarree(), x='xc', y='yc', add_colorbar=False) 5 ax.coastlines() 6 ax.set_ylim([0,90]);

~/software/anaconda3/envs/multinorm/lib/python3.7/site-packages/xarray/plot/plot.py in plotmethod(_PlotMethods_obj, x, y, figsize, size, aspect, ax, row, col, col_wrap, xincrease, yincrease, add_colorbar, add_labels, vmin, vmax, cmap, colors, center, robust, extend, levels, infer_intervals, subplot_kws, cbar_ax, cbar_kwargs, xscale, yscale, xticks, yticks, xlim, ylim, norm, kwargs) 917 for arg in ['_PlotMethods_obj', 'newplotfunc', 'kwargs']: 918 del allargs[arg] --> 919 return newplotfunc(allargs) 920 921 # Add to class _PlotMethods

~/software/anaconda3/envs/multinorm/lib/python3.7/site-packages/xarray/plot/plot.py in newplotfunc(darray, x, y, figsize, size, aspect, ax, row, col, col_wrap, xincrease, yincrease, add_colorbar, add_labels, vmin, vmax, cmap, center, robust, extend, levels, infer_intervals, colors, subplot_kws, cbar_ax, cbar_kwargs, xscale, yscale, xticks, yticks, xlim, ylim, norm, kwargs) 854 vmax=cmap_params['vmax'], 855 norm=cmap_params['norm'], --> 856 kwargs) 857 858 # Label the plot with metadata

~/software/anaconda3/envs/multinorm/lib/python3.7/site-packages/xarray/plot/plot.py in pcolormesh(x, y, z, ax, infer_intervals, kwargs) 1108 y = _infer_interval_breaks(y, axis=0) 1109 -> 1110 primitive = ax.pcolormesh(x, y, z, kwargs) 1111 1112 # by default, pcolormesh picks "round" values for bounds

~/software/anaconda3/envs/multinorm/lib/python3.7/site-packages/cartopy/mpl/geoaxes.py in pcolormesh(self, args, kwargs) 1449 ' consider using PlateCarree/RotatedPole.') 1450 kwargs.setdefault('transform', t) -> 1451 result = self._pcolormesh_patched(args, **kwargs) 1452 self.autoscale_view() 1453 return result

~/software/anaconda3/envs/multinorm/lib/python3.7/site-packages/cartopy/mpl/geoaxes.py in _pcolormesh_patched(self, args, *kwargs) 1467 import matplotlib.collections as mcoll 1468 -> 1469 if not self._hold: 1470 self.cla() 1471

AttributeError: 'GeoAxesSubplot' object has no attribute '_hold' ```

It seems examples/xarray_multidimensional_coords.ipynb is broken? Maybe you could add a CI build to make sure it executes OK?

Output of xr.show_versions()

INSTALLED VERSIONS ------------------ commit: None xarray: 0.11.0 pandas: 0.23.4 numpy: 1.15.4 scipy: 1.1.0 netCDF4: 1.4.2 h5netcdf: None h5py: None Nio: None zarr: None cftime: 1.0.2.1 PseudonetCDF: None rasterio: None iris: None bottleneck: 1.2.1 cyordereddict: None dask: 0.20.2 distributed: 1.24.2 matplotlib: 3.0.0 cartopy: 0.16.0 seaborn: None setuptools: 40.4.3 pip: 18.1 conda: None pytest: 3.8.2 IPython: 7.0.1 sphinx: 1.8.1 
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   completed xarray 13221727 issue

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