Remove import of scalar_broadcast_to from stemmer (rapidsai#4706)

Authors:
  - Victor Lafargue (https://github.com/viclafargue)
  - Dante Gama Dessavre (https://github.com/dantegd)

Approvers:
  - Corey J. Nolet (https://github.com/cjnolet)

URL: rapidsai#4706

python/cuml/preprocessing/text/stem/porter_stemmer_utils/suffix_utils.py

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2020, NVIDIA CORPORATION.
+# Copyright (c) 2020-2022, NVIDIA CORPORATION.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -18,15 +18,14 @@
 import cudf
 import numpy as np
 import cupy as cp
-from cudf.utils.utils import scalar_broadcast_to
 
 
 def get_str_replacement_series(replacement, bool_mask):
     """
      Get replacement series with replacement at
      Places marked by bool mask and empty other wise
     """
-    word_ser = cudf.Series(scalar_broadcast_to("", size=len(bool_mask)))
+    word_ser = cudf.Series(cudf.core.column.full(len(bool_mask), ""))
     word_ser.iloc[bool_mask] = replacement
 
     return word_ser

python/cuml/tests/test_text_feature_extraction.py

@@ -494,6 +494,7 @@ def test_hashingvectorizer_norm(norm):
         assert_almost_equal_hash_matrices(res.todense().get(), ref.toarray())
 
 
+@pytest.mark.xfail(reason="https://github.com/rapidsai/cuml/issues/4721")
 def test_hashingvectorizer_alternate_sign():
     # if alternate_sign = True
     # we should have some negative and positive values