remove __weakref__ from SparseNDArray

docs/api/python/ndarray.md

@@ -196,6 +196,25 @@ We summarize the interface for each class in the following sections.
     SparseNDArray.__getitem__
 ```
 
+## Class `RowSparseNDArray`
+
+```eval_rst
+.. autosummary::
+    :nosignatures:
+
+    RowSparseNDArray.indices
+```
+
+## Class `CSRNDArray`
+
+```eval_rst
+.. autosummary::
+    :nosignatures:
+
+    CSRNDArray.indices
+    CSRNDArray.indptr
+```
+
 ## Array creation routines
 
 ```eval_rst
@@ -493,11 +512,27 @@ We summarize the interface for each class in the following sections.
 <script type="text/javascript" src='../../_static/js/auto_module_index.js'></script>
 
 ```eval_rst
+
+.. autoclass:: mxnet.ndarray.NDArray
+    :members:
+    :special-members:
+
+.. autoclass:: mxnet.ndarray.SparseNDArray
+    :members:
+    :special-members:
+    :exclude-members: __weakref__
+
+.. autoclass:: mxnet.ndarray.CSRNDArray
+    :members:
+
+.. autoclass:: mxnet.ndarray.RowSparseNDArray
+    :members:
+
 .. automodule:: mxnet.ndarray
     :members:
     :imported-members:
     :special-members:
-    :exclude-members: CachedOp
+    :exclude-members: CachedOp, SparseNDArray, NDArray, CSRNDArray, RowSparseNDArray
 
 .. automodule:: mxnet.random
     :members: