Fix : HQQ config when hqq not available (#35655)

* fix

* make style

* adding require_hqq

* make style

tests/quantization/hqq/test_hqq.py

@@ -19,6 +19,7 @@ import unittest
 from transformers import AutoModelForCausalLM, AutoTokenizer, HqqConfig
 from transformers.testing_utils import (
     require_accelerate,
+    require_hqq,
     require_torch_gpu,
     require_torch_multi_gpu,
     slow,
@@ -86,6 +87,7 @@ MODEL_ID = "TinyLlama/TinyLlama-1.1B-Chat-v1.0"
 
 
 @require_torch_gpu
+@require_hqq
 class HqqConfigTest(unittest.TestCase):
     def test_to_dict(self):
         """
@@ -100,6 +102,7 @@ class HqqConfigTest(unittest.TestCase):
 @slow
 @require_torch_gpu
 @require_accelerate
+@require_hqq
 class HQQTest(unittest.TestCase):
     def tearDown(self):
         cleanup()
@@ -122,6 +125,7 @@ class HQQTest(unittest.TestCase):
 @require_torch_gpu
 @require_torch_multi_gpu
 @require_accelerate
+@require_hqq
 class HQQTestMultiGPU(unittest.TestCase):
     def tearDown(self):
         cleanup()
@@ -144,6 +148,7 @@ class HQQTestMultiGPU(unittest.TestCase):
 @slow
 @require_torch_gpu
 @require_accelerate
+@require_hqq
 class HQQSerializationTest(unittest.TestCase):
     def tearDown(self):
         cleanup()