issue_comments: 461546376

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https://github.com/pydata/xarray/issues/709#issuecomment-461546376 https://api.github.com/repos/pydata/xarray/issues/709 461546376 MDEyOklzc3VlQ29tbWVudDQ2MTU0NjM3Ng== 33062222 2019-02-07T18:38:58Z 2019-02-07T18:38:58Z NONE

I'm facing the same problem of the unexpected encoding parameter

big_ds.to_netcdf(out_dir + 'V250hov_N2000_2018_v4' + '.nc', encoding={'V':{'_FillValue': -999.0}, 'time':{'units': "seconds since 1970-01-01 00:00:00"}}) The error is as follows: File "./R_metric.py", line 61, in <module> big_ds.to_netcdf(out_dir + 'V250hov_N2000_2018_v4' + '.nc',encoding={'V':{'_FillValue': -999.0}, 'time':{'units': "seconds since 1970-01-01 00:00:00"}}) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/core/dataset.py", line 1222, in to_netcdf compute=compute) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/backends/api.py", line 718, in to_netcdf unlimited_dims=unlimited_dims) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/backends/api.py", line 761, in dump_to_store unlimited_dims=unlimited_dims) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/backends/common.py", line 266, in store unlimited_dims=unlimited_dims) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/backends/common.py", line 304, in set_variables name, v, check, unlimited_dims=unlimited_dims) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/backends/netCDF4_.py", line 450, in prepare_variable unlimited_dims=unlimited_dims) File "/usr/local/anaconda3/envs/work_env/lib/python3.6/site-packages/xarray/backends/netCDF4_.py", line 225, in _extract_nc4_variable_encoding ' %r' % (backend, invalid)) ValueError: unexpected encoding parameters for 'netCDF4' backend: ['units']

However, the same syntax works when I tried writing out a different file. I'm using xarray version 11.0

 
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