Replace `as_target` context managers by direct calls (#18325)

* Preliminary work on tokenizers

* Quality + fix tests

* Treat processors

* Fix pad

* Remove all uses of  in tests, docs and examples

* Replace all as_target_tokenizer

* Fix tests

* Fix quality

* Update examples/flax/image-captioning/run_image_captioning_flax.py
Co-authored-by: amyeroberts <amy@huggingface.co>

* Style
Co-authored-by: amyeroberts <amy@huggingface.co>

tests/models/bart/test_tokenization_bart.py

@@ -112,14 +112,13 @@ class TestTokenizationBart(TokenizerTesterMixin, unittest.TestCase):
             self.assertNotIn("decoder_attention_mask", batch)
 
     @require_torch
-    def test_as_target_tokenizer_target_length(self):
+    def test_tokenizer_as_target_length(self):
         tgt_text = [
             "Summary of the text.",
             "Another summary.",
         ]
         for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
-            with tokenizer.as_target_tokenizer():
-                targets = tokenizer(tgt_text, max_length=32, padding="max_length", return_tensors="pt")
+            targets = tokenizer(text_target=tgt_text, max_length=32, padding="max_length", return_tensors="pt")
             self.assertEqual(32, targets["input_ids"].shape[1])
 
     @require_torch
@@ -140,8 +139,7 @@ class TestTokenizationBart(TokenizerTesterMixin, unittest.TestCase):
         ]
         for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
             inputs = tokenizer(src_text, return_tensors="pt")
-            with tokenizer.as_target_tokenizer():
-                targets = tokenizer(tgt_text, return_tensors="pt")
+            targets = tokenizer(text_target=tgt_text, return_tensors="pt")
             input_ids = inputs["input_ids"]
             labels = targets["input_ids"]
             self.assertTrue((input_ids[:, 0] == tokenizer.bos_token_id).all().item())

tests/models/byt5/test_tokenization_byt5.py

@@ -152,9 +152,8 @@ class ByT5TokenizationTest(TokenizerTesterMixin, unittest.TestCase):
             "Summary of the text.",
             "Another summary.",
         ]
-        with tokenizer.as_target_tokenizer():
         targets = tokenizer(
-                tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors=FRAMEWORK
+            text_target=tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors=FRAMEWORK
         )
         self.assertEqual(32, targets["input_ids"].shape[1])
 
@@ -167,12 +166,10 @@ class ByT5TokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         expected_tgt_tokens = [86, 120, 112, 112, 100, 117, 124, 35, 114, 105, 35, 119, 107, 104, 35, 119, 104, 123, 119, 49, 35, 1]
         # fmt: on
 
-        batch = tokenizer(src_text)
-        with tokenizer.as_target_tokenizer():
-            targets = tokenizer(tgt_text)
+        batch = tokenizer(src_text, text_target=tgt_text)
 
         self.assertEqual(expected_src_tokens, batch["input_ids"][0])
-        self.assertEqual(expected_tgt_tokens, targets["input_ids"][0])
+        self.assertEqual(expected_tgt_tokens, batch["labels"][0])
 
     # cannot use default save_and_load_tokenzier test method because tokenzier has no vocab
     def test_save_and_load_tokenizer(self):

tests/models/canine/test_tokenization_canine.py

@@ -80,8 +80,9 @@ class CanineTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
             "What's the weater?",
             "It's about 25 degrees.",
         ]
-        with tokenizer.as_target_tokenizer():
-            targets = tokenizer(tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors="pt")
+        targets = tokenizer(
+            text_target=tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors="pt"
+        )
         self.assertEqual(32, targets["input_ids"].shape[1])
 
     # cannot use default save_and_load_tokenzier test method because tokenzier has no vocab

tests/models/dpr/test_tokenization_dpr.py

@@ -13,7 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-
 from transformers import (
     DPRContextEncoderTokenizer,
     DPRContextEncoderTokenizerFast,

tests/models/m2m_100/test_tokenization_m2m_100.py

@@ -187,9 +187,7 @@ class M2M100TokenizerIntegrationTest(unittest.TestCase):
         self.tokenizer.src_lang = "en"
         self.tokenizer.tgt_lang = "fr"
 
-        batch = self.tokenizer(self.src_text, padding=True, return_tensors="pt")
-        with self.tokenizer.as_target_tokenizer():
-            batch["labels"] = self.tokenizer(self.tgt_text, padding=True, return_tensors="pt").input_ids
+        batch = self.tokenizer(self.src_text, text_target=self.tgt_text, padding=True, return_tensors="pt")
 
         batch["decoder_input_ids"] = shift_tokens_right(
             batch["labels"], self.tokenizer.pad_token_id, self.tokenizer.eos_token_id
@@ -217,17 +215,19 @@ class M2M100TokenizerIntegrationTest(unittest.TestCase):
         self.assertListEqual(self.tokenizer.suffix_tokens, [self.tokenizer.eos_token_id])
 
     @require_torch
-    def test_as_target_tokenizer(self):
+    def test_tokenizer_target_mode(self):
         self.tokenizer.tgt_lang = "mr"
-        with self.tokenizer.as_target_tokenizer():
+        self.tokenizer._switch_to_target_mode()
         self.assertListEqual(self.tokenizer.prefix_tokens, [self.tokenizer.get_lang_id("mr")])
         self.assertListEqual(self.tokenizer.suffix_tokens, [self.tokenizer.eos_token_id])
+        self.tokenizer._switch_to_input_mode()
         self.assertListEqual(self.tokenizer.prefix_tokens, [self.tokenizer.get_lang_id(self.tokenizer.src_lang)])
 
         self.tokenizer.tgt_lang = "zh"
-        with self.tokenizer.as_target_tokenizer():
+        self.tokenizer._switch_to_target_mode()
         self.assertListEqual(self.tokenizer.prefix_tokens, [self.tokenizer.get_lang_id("zh")])
         self.assertListEqual(self.tokenizer.suffix_tokens, [self.tokenizer.eos_token_id])
+        self.tokenizer._switch_to_input_mode()
         self.assertListEqual(self.tokenizer.prefix_tokens, [self.tokenizer.get_lang_id(self.tokenizer.src_lang)])
 
     @require_torch

tests/models/marian/test_modeling_marian.py

@@ -438,10 +438,7 @@ class TestMarian_EN_DE_More(MarianIntegrationTest):
         src, tgt = ["I am a small frog"], ["Ich bin ein kleiner Frosch."]
         expected_ids = [38, 121, 14, 697, 38848, 0]
 
-        model_inputs = self.tokenizer(src, return_tensors="pt").to(torch_device)
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(tgt, return_tensors="pt")
-        model_inputs["labels"] = targets["input_ids"].to(torch_device)
+        model_inputs = self.tokenizer(src, text_target=tgt, return_tensors="pt").to(torch_device)
 
         self.assertListEqual(expected_ids, model_inputs.input_ids[0].tolist())
 

tests/models/marian/test_tokenization_marian.py

@@ -145,8 +145,7 @@ class MarianTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         src_ids = tokenizer(source_text).input_ids
         self.assertListEqual(src_ids, expected_src_ids)
 
-        with tokenizer.as_target_tokenizer():
-            target_ids = tokenizer(target_text).input_ids
+        target_ids = tokenizer(text_target=target_text).input_ids
         self.assertListEqual(target_ids, expected_target_ids)
 
         decoded = tokenizer.decode(target_ids, skip_special_tokens=True)

tests/models/mbart/test_tokenization_mbart.py

@@ -265,33 +265,27 @@ class MBartEnroIntegrationTest(unittest.TestCase):
 
     @require_torch
     def test_batch_fairseq_parity(self):
-        batch = self.tokenizer(self.src_text, padding=True)
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, return_tensors="pt")
-        labels = targets["input_ids"]
-        batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id).tolist()
+        batch = self.tokenizer(self.src_text, text_target=self.tgt_text, padding=True, return_tensors="pt")
+        batch["decoder_input_ids"] = shift_tokens_right(batch["labels"], self.tokenizer.pad_token_id)
 
         # fairseq batch: https://gist.github.com/sshleifer/cba08bc2109361a74ac3760a7e30e4f4
-        assert batch.input_ids[1][-2:] == [2, EN_CODE]
-        assert batch.decoder_input_ids[1][0] == RO_CODE
+        assert batch.input_ids[1][-2:].tolist() == [2, EN_CODE]
+        assert batch.decoder_input_ids[1][0].tolist() == RO_CODE
         assert batch.decoder_input_ids[1][-1] == 2
-        assert labels[1][-2:].tolist() == [2, RO_CODE]
+        assert batch.labels[1][-2:].tolist() == [2, RO_CODE]
 
     @require_torch
     def test_enro_tokenizer_prepare_batch(self):
         batch = self.tokenizer(
-            self.src_text, padding=True, truncation=True, max_length=len(self.expected_src_tokens), return_tensors="pt"
-        )
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(
-                self.tgt_text,
+            self.src_text,
+            text_target=self.tgt_text,
             padding=True,
             truncation=True,
             max_length=len(self.expected_src_tokens),
             return_tensors="pt",
         )
-        labels = targets["input_ids"]
-        batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id)
+
+        batch["decoder_input_ids"] = shift_tokens_right(batch["labels"], self.tokenizer.pad_token_id)
 
         self.assertIsInstance(batch, BatchEncoding)
 
@@ -306,8 +300,9 @@ class MBartEnroIntegrationTest(unittest.TestCase):
 
     def test_seq2seq_max_length(self):
         batch = self.tokenizer(self.src_text, padding=True, truncation=True, max_length=3, return_tensors="pt")
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt")
+        targets = self.tokenizer(
+            text_target=self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt"
+        )
         labels = targets["input_ids"]
         batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id)
 

tests/models/mbart50/test_tokenization_mbart50.py

@@ -256,35 +256,27 @@ class MBart50OneToManyIntegrationTest(unittest.TestCase):
 
     @require_torch
     def test_batch_fairseq_parity(self):
-        batch = self.tokenizer(self.src_text, padding=True)
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, return_tensors="pt")
-        labels = targets["input_ids"]
-        batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id).tolist()
-        labels = labels.tolist()
+        batch = self.tokenizer(self.src_text, text_target=self.tgt_text, padding=True, return_tensors="pt")
+        batch["decoder_input_ids"] = shift_tokens_right(batch["labels"], self.tokenizer.pad_token_id)
 
         # fairseq batch: https://gist.github.com/sshleifer/cba08bc2109361a74ac3760a7e30e4f4
         assert batch.input_ids[1][0] == EN_CODE
         assert batch.input_ids[1][-1] == 2
-        assert labels[1][0] == RO_CODE
-        assert labels[1][-1] == 2
-        assert batch.decoder_input_ids[1][:2] == [2, RO_CODE]
+        assert batch.labels[1][0] == RO_CODE
+        assert batch.labels[1][-1] == 2
+        assert batch.decoder_input_ids[1][:2].tolist() == [2, RO_CODE]
 
     @require_torch
     def test_tokenizer_prepare_batch(self):
         batch = self.tokenizer(
-            self.src_text, padding=True, truncation=True, max_length=len(self.expected_src_tokens), return_tensors="pt"
-        )
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(
-                self.tgt_text,
+            self.src_text,
+            text_target=self.tgt_text,
             padding=True,
             truncation=True,
             max_length=len(self.expected_src_tokens),
             return_tensors="pt",
         )
-        labels = targets["input_ids"]
-        batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id)
+        batch["decoder_input_ids"] = shift_tokens_right(batch["labels"], self.tokenizer.pad_token_id)
 
         self.assertIsInstance(batch, BatchEncoding)
 
@@ -299,8 +291,9 @@ class MBart50OneToManyIntegrationTest(unittest.TestCase):
 
     def test_seq2seq_max_target_length(self):
         batch = self.tokenizer(self.src_text, padding=True, truncation=True, max_length=3, return_tensors="pt")
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt")
+        targets = self.tokenizer(
+            text_target=self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt"
+        )
         labels = targets["input_ids"]
         batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id)
 

tests/models/mctct/test_processor_mctct.py

@@ -125,8 +125,7 @@ class MCTCTProcessorTest(unittest.TestCase):
 
         input_str = "This is a test string"
 
-        with processor.as_target_processor():
-            encoded_processor = processor(input_str)
+        encoded_processor = processor(text=input_str)
 
         encoded_tok = tokenizer(input_str)
 

tests/models/mvp/test_tokenization_mvp.py

@@ -112,14 +112,13 @@ class TestTokenizationMvp(TokenizerTesterMixin, unittest.TestCase):
             self.assertNotIn("decoder_attention_mask", batch)
 
     @require_torch
-    def test_as_target_tokenizer_target_length(self):
+    def test_tokenizer_as_target_length(self):
         tgt_text = [
             "Summary of the text.",
             "Another summary.",
         ]
         for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
-            with tokenizer.as_target_tokenizer():
-                targets = tokenizer(tgt_text, max_length=32, padding="max_length", return_tensors="pt")
+            targets = tokenizer(text_target=tgt_text, max_length=32, padding="max_length", return_tensors="pt")
             self.assertEqual(32, targets["input_ids"].shape[1])
 
     @require_torch
@@ -139,11 +138,9 @@ class TestTokenizationMvp(TokenizerTesterMixin, unittest.TestCase):
             "Summary of the text.",
         ]
         for tokenizer in [self.default_tokenizer, self.default_tokenizer_fast]:
-            inputs = tokenizer(src_text, return_tensors="pt")
-            with tokenizer.as_target_tokenizer():
-                targets = tokenizer(tgt_text, return_tensors="pt")
+            inputs = tokenizer(src_text, text_target=tgt_text, return_tensors="pt")
             input_ids = inputs["input_ids"]
-            labels = targets["input_ids"]
+            labels = inputs["labels"]
             self.assertTrue((input_ids[:, 0] == tokenizer.bos_token_id).all().item())
             self.assertTrue((labels[:, 0] == tokenizer.bos_token_id).all().item())
             self.assertTrue((input_ids[:, -1] == tokenizer.eos_token_id).all().item())

tests/models/nllb/test_tokenization_nllb.py

@@ -373,19 +373,15 @@ class NllbDistilledIntegrationTest(unittest.TestCase):
     @require_torch
     def test_enro_tokenizer_prepare_batch(self):
         batch = self.tokenizer(
-            self.src_text, padding=True, truncation=True, max_length=len(self.expected_src_tokens), return_tensors="pt"
-        )
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(
-                self.tgt_text,
+            self.src_text,
+            text_target=self.tgt_text,
             padding=True,
             truncation=True,
             max_length=len(self.expected_src_tokens),
             return_tensors="pt",
         )
-        labels = targets["input_ids"]
         batch["decoder_input_ids"] = shift_tokens_right(
-            labels, self.tokenizer.pad_token_id, self.tokenizer.lang_code_to_id["ron_Latn"]
+            batch["labels"], self.tokenizer.pad_token_id, self.tokenizer.lang_code_to_id["ron_Latn"]
         )
 
         self.assertIsInstance(batch, BatchEncoding)
@@ -401,8 +397,9 @@ class NllbDistilledIntegrationTest(unittest.TestCase):
 
     def test_seq2seq_max_length(self):
         batch = self.tokenizer(self.src_text, padding=True, truncation=True, max_length=3, return_tensors="pt")
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt")
+        targets = self.tokenizer(
+            text_target=self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt"
+        )
         labels = targets["input_ids"]
         batch["decoder_input_ids"] = shift_tokens_right(
             labels,

tests/models/pegasus/test_tokenization_pegasus.py

@@ -109,9 +109,8 @@ class PegasusTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         src_texts = ["This is going to be way too long." * 150, "short example"]
         tgt_texts = ["not super long but more than 5 tokens", "tiny"]
         batch = self._large_tokenizer(src_texts, padding=True, truncation=True, return_tensors="pt")
-        with self._large_tokenizer.as_target_tokenizer():
         targets = self._large_tokenizer(
-                tgt_texts, max_length=5, padding=True, truncation=True, return_tensors="pt"
+            text_target=tgt_texts, max_length=5, padding=True, truncation=True, return_tensors="pt"
         )
 
         assert batch.input_ids.shape == (2, 1024)
@@ -174,9 +173,8 @@ class BigBirdPegasusTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         src_texts = ["This is going to be way too long." * 1000, "short example"]
         tgt_texts = ["not super long but more than 5 tokens", "tiny"]
         batch = self._large_tokenizer(src_texts, padding=True, truncation=True, return_tensors="pt")
-        with self._large_tokenizer.as_target_tokenizer():
         targets = self._large_tokenizer(
-                tgt_texts, max_length=5, padding=True, truncation=True, return_tensors="pt"
+            text_target=tgt_texts, max_length=5, padding=True, truncation=True, return_tensors="pt"
         )
 
         assert batch.input_ids.shape == (2, 4096)

tests/models/perceiver/test_tokenization_perceiver.py

@@ -146,9 +146,8 @@ class PerceiverTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
             "Summary of the text.",
             "Another summary.",
         ]
-        with tokenizer.as_target_tokenizer():
         targets = tokenizer(
-                tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors=FRAMEWORK
+            text_target=tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors=FRAMEWORK
         )
         self.assertEqual(32, targets["input_ids"].shape[1])
 

tests/models/plbart/test_tokenization_plbart.py

@@ -299,33 +299,26 @@ class PLBartPythonEnIntegrationTest(unittest.TestCase):
 
     @require_torch
     def test_batch_fairseq_parity(self):
-        batch = self.tokenizer(self.src_text, padding=True)
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, return_tensors="pt")
-        labels = targets["input_ids"]
-        batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id).tolist()
+        batch = self.tokenizer(self.src_text, text_target=self.tgt_text, padding=True, return_tensors="pt")
+        batch["decoder_input_ids"] = shift_tokens_right(batch["labels"], self.tokenizer.pad_token_id)
 
         # fairseq batch: https://gist.github.com/sshleifer/cba08bc2109361a74ac3760a7e30e4f4
-        self.assertEqual(batch.input_ids[1][-2:], [2, PYTHON_CODE])
+        self.assertEqual(batch.input_ids[1][-2:].tolist(), [2, PYTHON_CODE])
         self.assertEqual(batch.decoder_input_ids[1][0], EN_CODE)
         self.assertEqual(batch.decoder_input_ids[1][-1], 2)
-        self.assertEqual(labels[1][-2:].tolist(), [2, EN_CODE])
+        self.assertEqual(batch.labels[1][-2:].tolist(), [2, EN_CODE])
 
     @require_torch
     def test_python_en_tokenizer_prepare_batch(self):
         batch = self.tokenizer(
-            self.src_text, padding=True, truncation=True, max_length=len(self.expected_src_tokens), return_tensors="pt"
-        )
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(
-                self.tgt_text,
+            self.src_text,
+            text_target=self.tgt_text,
             padding=True,
             truncation=True,
             max_length=len(self.expected_src_tokens),
             return_tensors="pt",
         )
-        labels = targets["input_ids"]
-        batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id)
+        batch["decoder_input_ids"] = shift_tokens_right(batch["labels"], self.tokenizer.pad_token_id)
 
         self.assertIsInstance(batch, BatchEncoding)
 
@@ -340,8 +333,9 @@ class PLBartPythonEnIntegrationTest(unittest.TestCase):
 
     def test_seq2seq_max_length(self):
         batch = self.tokenizer(self.src_text, padding=True, truncation=True, max_length=3, return_tensors="pt")
-        with self.tokenizer.as_target_tokenizer():
-            targets = self.tokenizer(self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt")
+        targets = self.tokenizer(
+            text_target=self.tgt_text, padding=True, truncation=True, max_length=10, return_tensors="pt"
+        )
         labels = targets["input_ids"]
         batch["decoder_input_ids"] = shift_tokens_right(labels, self.tokenizer.pad_token_id)
 

tests/models/speech_to_text/test_processor_speech_to_text.py

@@ -125,8 +125,7 @@ class Speech2TextProcessorTest(unittest.TestCase):
 
         input_str = "This is a test string"
 
-        with processor.as_target_processor():
-            encoded_processor = processor(input_str)
+        encoded_processor = processor(text=input_str)
 
         encoded_tok = tokenizer(input_str)
 

tests/models/t5/test_tokenization_t5.py

@@ -210,9 +210,8 @@ class T5TokenizationTest(TokenizerTesterMixin, unittest.TestCase):
             "Summary of the text.",
             "Another summary.",
         ]
-        with tokenizer.as_target_tokenizer():
         targets = tokenizer(
-                tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors=FRAMEWORK
+            text_target=tgt_text, max_length=32, padding="max_length", truncation=True, return_tensors=FRAMEWORK
         )
         self.assertEqual(32, targets["input_ids"].shape[1])
 
@@ -235,12 +234,10 @@ class T5TokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         expected_src_tokens = [71, 307, 8986, 21, 4505, 1635, 1707, 5, 1]
         expected_tgt_tokens = [20698, 13, 8, 1499, 5, 1]
 
-        batch = tokenizer(src_text)
-        with tokenizer.as_target_tokenizer():
-            targets = tokenizer(tgt_text)
+        batch = tokenizer(src_text, text_target=tgt_text)
 
         self.assertEqual(expected_src_tokens, batch["input_ids"][0])
-        self.assertEqual(expected_tgt_tokens, targets["input_ids"][0])
+        self.assertEqual(expected_tgt_tokens, batch["labels"][0])
 
     def test_token_type_ids(self):
         src_text_1 = ["A first paragraph for summarization."]

tests/models/tapex/test_tokenization_tapex.py

@@ -859,7 +859,6 @@ class TapexTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         tokenizer = TapexTokenizer.from_pretrained("microsoft/tapex-base")
         answer_text = "tapex is a good model!"
         expected_src_tokens = [0, 90, 5776, 1178, 16, 10, 205, 1421, 328, 2]
-        with tokenizer.as_target_tokenizer():
         answer_encoding = tokenizer(answer=answer_text)
         self.assertListEqual(answer_encoding.input_ids, expected_src_tokens)
 
@@ -870,8 +869,6 @@ class TapexTokenizationTest(TokenizerTesterMixin, unittest.TestCase):
         answer_text = "Beijing, London, Paris"
         answer_text_lower = "beijing, london, paris"
 
-        with cased_tokenizer.as_target_tokenizer():
-            with uncased_tokenizer.as_target_tokenizer():
         self.assertNotEqual(
             cased_tokenizer(answer=answer_text).input_ids, uncased_tokenizer(answer=answer_text).input_ids
         )

tests/models/wav2vec2/test_processor_wav2vec2.py

@@ -118,8 +118,7 @@ class Wav2Vec2ProcessorTest(unittest.TestCase):
 
         input_str = "This is a test string"
 
-        with processor.as_target_processor():
-            encoded_processor = processor(input_str)
+        encoded_processor = processor(text=input_str)
 
         encoded_tok = tokenizer(input_str)
 

tests/models/wav2vec2_with_lm/test_processor_wav2vec2_with_lm.py

@@ -164,8 +164,7 @@ class Wav2Vec2ProcessorWithLMTest(unittest.TestCase):
 
         input_str = "This is a test string"
 
-        with processor.as_target_processor():
-            encoded_processor = processor(input_str)
+        encoded_processor = processor(text=input_str)
 
         encoded_tok = tokenizer(input_str)