minor update

Author: Kishan-Ved

pydatastructs/trees/_backend/cpp/BinarySearchTree.hpp

@@ -310,7 +310,7 @@ static PyObject* BinarySearchTree_delete(BinarySearchTree* self, PyObject *args,
                 reinterpret_cast<TreeNode*>(bt->tree->_one_dimensional_array->_data[PyLong_AsLong(parent)])->right = child;
             }
             reinterpret_cast<TreeNode*>(bt->tree->_one_dimensional_array->_data[PyLong_AsLong(child)])->parent = parent;
-            PyObject* a = parent;
+            a = parent;
             PyObject* par_key = reinterpret_cast<TreeNode*>(bt->tree->_one_dimensional_array->_data[PyLong_AsLong(parent)])->key;
             PyObject* root_key = reinterpret_cast<TreeNode*>(bt->tree->_one_dimensional_array->_data[PyLong_AsLong(bt->root_idx)])->key;
             PyObject* new_indices = ArrayForTrees_delete(bt->tree, Py_BuildValue("(O)",walk));