Fix typos (#10655)

Author: shoyer

doc/user-guide/data-structures.rst

@@ -650,7 +650,7 @@ Alternatively you can also create a :py:class:`~xarray.DataTree` object from:
 - A dictionary mapping directory-like paths to either :py:class:`~xarray.DataTree` nodes or data, using :py:meth:`xarray.DataTree.from_dict()`,
 - A well formed netCDF or Zarr file on disk with :py:func:`~xarray.open_datatree()`. See :ref:`reading and writing files <io>`.
 
-For data files with groups that do not not align see
+For data files with groups that do not align see
 :py:func:`xarray.open_groups` or target each group individually
 :py:func:`xarray.open_dataset(group='groupname') <xarray.open_dataset>`. For
 more information about coordinate alignment see :ref:`datatree-inheritance`

xarray/backends/common.py

@@ -312,7 +312,7 @@ class BackendArray(NdimSizeLenMixin, indexing.ExplicitlyIndexed):
     __slots__ = ()
 
     async def async_getitem(self, key: indexing.ExplicitIndexer) -> np.typing.ArrayLike:
-        raise NotImplementedError("Backend does not not support asynchronous loading")
+        raise NotImplementedError("Backend does not support asynchronous loading")
 
     def get_duck_array(self, dtype: np.typing.DTypeLike = None):
         key = indexing.BasicIndexer((slice(None),) * self.ndim)

xarray/backends/scipy_.py

@@ -278,8 +278,8 @@ def prepare_variable(
 
         data = variable.data
         # nb. this still creates a numpy array in all memory, even though we
-        # don't write the data yet; scipy.io.netcdf does not not support
-        # incremental writes.
+        # don't write the data yet; scipy.io.netcdf does not support incremental
+        # writes.
         if name not in self.ds.variables:
             self.ds.createVariable(name, data.dtype, variable.dims)
         scipy_var = self.ds.variables[name]