[Fix] check to make sure processor has chat templates (#18047)

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

tests/compile/test_pass_manager.py

@@ -22,7 +22,7 @@ def test_bad_callable():
     pass_manager.configure(config)
 
     with pytest.raises(AssertionError):
-        pass_manager.add(simple_callable)  # noqa, type wrong on purpose
+        pass_manager.add(simple_callable)
 
 
 # Pass that inherits from InductorPass

vllm/compilation/inductor_pass.py

@@ -16,7 +16,7 @@ if is_torch_equal_or_newer("2.6"):
     from torch._inductor.custom_graph_pass import CustomGraphPass
 else:
     # CustomGraphPass is not present in 2.5 or lower, import our version
-    from .torch25_custom_graph_pass import (  # noqa: yapf
+    from .torch25_custom_graph_pass import (  # noqa: E501
         Torch25CustomGraphPass as CustomGraphPass)
 
 _pass_context = None

vllm/entrypoints/chat_utils.py

@@ -349,11 +349,11 @@ def resolve_hf_chat_template(
                 trust_remote_code=model_config.trust_remote_code,
             )
             if isinstance(processor, ProcessorMixin) and \
+                hasattr(processor, 'chat_template') and \
                 processor.chat_template is not None:
                 return processor.chat_template
         except Exception:
-            logger.debug("Failed to load AutoProcessor chat template for %s",
-                        tokenizer.name_or_path, exc_info=True)
+            logger.debug("Failed to load AutoProcessor chat template for %s", tokenizer.name_or_path, exc_info=True)  # noqa: E501
 
     # 3rd priority: AutoTokenizer chat template
     try: