fix: Set error level as warning for unknown model type

Author: CodeWithKyrian

examples/composer.json

@@ -14,7 +14,8 @@
   "require": {
     "php": "^8.1",
     "symfony/console": "^7.0",
-    "codewithkyrian/transformers": "*"
+    "codewithkyrian/transformers": "*",
+    "rokka/imagine-vips": "dev-master"
   },
   "require-dev": {
     "symfony/var-dumper": "^7.0"

src/Models/Auto/PretrainedMixin.php

@@ -72,7 +72,7 @@ public static function fromPretrained(
         }
 
         if (static::BASE_IF_FAIL) {
-            trigger_error("Unknown model class for model type {$config->modelType}. Using base class PreTrainedModel.");
+            trigger_error("Unknown model class for model type {$config->modelType}. Using base class PreTrainedModel.", E_USER_WARNING);
 
             return PretrainedModel::fromPretrained(
                 modelNameOrPath: $modelNameOrPath,