Fix library detection (#1690)

* fix task detection

* remove unnecessary workflow

optimum/exporters/tasks.py

@@ -1655,6 +1655,11 @@ def infer_library_from_model(
 
         if "model_index.json" in all_files:
             library_name = "diffusers"
+        elif (
+            any(file_path.startswith("sentence_") for file_path in all_files)
+            or "config_sentence_transformers.json" in all_files
+        ):
+            library_name = "sentence_transformers"
         elif CONFIG_NAME in all_files:
             # We do not use PretrainedConfig.from_pretrained which has unwanted warnings about model type.
             kwargs = {
@@ -1671,11 +1676,6 @@ def infer_library_from_model(
                 library_name = "diffusers"
             else:
                 library_name = "transformers"
-        elif (
-            any(file_path.startswith("sentence_") for file_path in all_files)
-            or "config_sentence_transformers.json" in all_files
-        ):
-            library_name = "sentence_transformers"
         else:
             library_name = "transformers"
 

tests/exporters/common/test_tasks_manager.py

@@ -177,3 +177,13 @@ def test_custom_class(self):
 
         model = TasksManager.get_model_from_task("question-answering", "uclanlp/visualbert-vqa")
         self.assertTrue(isinstance(model, VisualBertForQuestionAnswering))
+
+    def test_library_detection(self):
+        self.assertEqual(
+            TasksManager.infer_library_from_model("intfloat/multilingual-e5-large"), "sentence_transformers"
+        )
+        self.assertEqual(
+            TasksManager.infer_library_from_model("stabilityai/stable-diffusion-xl-base-1.0"), "diffusers"
+        )
+        self.assertEqual(TasksManager.infer_library_from_model("gpt2"), "transformers")
+        self.assertEqual(TasksManager.infer_library_from_model("timm/mobilenetv3_large_100.ra_in1k"), "timm")