Fix scipy backend

Author: dcherian

xarray/backends/scipy_.py

@@ -190,9 +190,7 @@ def ds(self):
     def open_store_variable(self, name, var):
         return Variable(
             var.dimensions,
-            # this backend always loads in to memory, so we don't wrap
-            # with LazilyIndexedArray
-            ScipyArrayWrapper(name, self),
+            indexing.LazilyIndexedArray(ScipyArrayWrapper(name, self)),
             _decode_attrs(var._attributes),
         )
 

xarray/coding/variables.py

@@ -110,6 +110,7 @@ def __getitem__(self, key) -> np.ndarray:
     def get_duck_array(self):
         return duck_array_ops.astype(self.array.get_duck_array(), dtype=self.dtype)
 
+
 def _apply_mask(
     data: np.ndarray,
     encoded_fill_values: list,