Remove PP judgment for lora in Qwen2/Qwen3 (#2669)

Author: Ace-To-HYB

paddleformers/trl/llm_utils.py

@@ -38,10 +38,6 @@
     Glm4MoeForCausalLMPipe,
     LlamaForCausalLMPipe,
     PretrainedConfig,
-    Qwen2ForCausalLMPipe,
-    Qwen2MoeForCausalLMPipe,
-    Qwen3ForCausalLMPipe,
-    Qwen3MoeForCausalLMPipe,
 )
 from ..utils.log import logger
 
@@ -114,7 +110,7 @@ def get_lora_target_modules(model):
             ".*mlp.w2.*",
             ".*mlp.c_proj.*",
         ]
-    elif model.config.model_type == "qwen2" or isinstance(model, Qwen2ForCausalLMPipe):
+    elif model.config.model_type == "qwen2":
         target_modules = [
             ".*q_proj.*",
             ".*k_proj.*",
@@ -124,7 +120,7 @@ def get_lora_target_modules(model):
             ".*down_proj.*",
             ".*up_proj.*",
         ]
-    elif model.config.model_type == "qwen3" or isinstance(model, Qwen3ForCausalLMPipe):
+    elif model.config.model_type == "qwen3":
         target_modules = [
             ".*q_proj.*",
             ".*k_proj.*",
@@ -156,7 +152,7 @@ def get_lora_target_modules(model):
             ".*w2.*",
             ".*w3.*",
         ]
-    elif model.config.model_type == "qwen2_moe" or isinstance(model, Qwen2MoeForCausalLMPipe):
+    elif model.config.model_type == "qwen2_moe":
         target_modules = [
             ".*q_proj.*",
             ".*k_proj.*",
@@ -167,7 +163,7 @@ def get_lora_target_modules(model):
             ".*up_proj.*",
             ".*down_proj.*",
         ]
-    elif model.config.model_type == "qwen3_moe" or isinstance(model, Qwen3MoeForCausalLMPipe):
+    elif model.config.model_type == "qwen3_moe":
         target_modules = [
             ".*q_proj.*",
             ".*k_proj.*",