```Traceback (most recent call last):


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/IPython/core/interactiveshell.py", line 2961, in run_code

exec(code_obj, self.user_global_ns, self.user_ns)


 "<ipython-input-3-492c82b08e81>", line 8, in <module>

dsSel.to_netcdf(outnc)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/core/dataset.py", line 1365, in to_netcdf

compute=compute)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/backends/api.py", line 886, in to_netcdf

unlimited_dims=unlimited_dims)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/backends/api.py", line 929, in dump_to_store

unlimited_dims=unlimited_dims)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/backends/common.py", line 269, in store

self.set_attributes(attributes)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/backends/common.py", line 285, in set_attributes

self.set_attribute(k, v)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/backends/netCDF4_.py", line 426, in set_attribute

_set_nc_attribute(self.ds, key, value)


 "/home/travis/.conda/envs/Xarray/lib/python3.6/site-packages/xarray/backends/netCDF4_.py", line 302, in _set_nc_attribute

obj.setncattr(key, value)


 "netCDF4/_netCDF4.pyx", line 2607, in netCDF4._netCDF4.Dataset.setncattr


 "netCDF4/_netCDF4.pyx", line 1467, in netCDF4._netCDF4._set_att


 "netCDF4/_netCDF4.pyx", line 1733, in netCDF4._netCDF4._ensure_nc_success
AttributeError: NetCDF: String match to name in use

I0925 07:02:52.587279 140463984019200 dataflow_runner.py:248] 2020-09-25T07:02:51.922Z: JOB_MESSAGE_ERROR: Traceback (most recent call last):


 "/usr/local/lib/python3.7/site-packages/apache_beam/internal/pickler.py", line 279, in loads

return dill.loads(s)


 "/usr/local/lib/python3.7/site-packages/dill/_dill.py", line 275, in loads

return load(file, ignore, **kwds)


 "/usr/local/lib/python3.7/site-packages/dill/_dill.py", line 270, in load

return Unpickler(file, ignore=ignore, **kwds).load()


 "/usr/local/lib/python3.7/site-packages/dill/_dill.py", line 472, in load

obj = StockUnpickler.load(self)


 "/usr/local/lib/python3.7/site-packages/dill/_dill.py", line 462, in find_class

return StockUnpickler.find_class(self, module, name)
AttributeError: Can't get attribute '_create_code' on <module 'dill._dill' from '/usr/local/lib/python3.7/site-packages/dill/_dill.py'>
