[Bugfix] Fix sampling_params passed incorrectly in Phi3v example (#5684)

examples/phi3v_example.py

@@ -12,7 +12,6 @@ def run_phi3v():
     llm = LLM(
         model=model_path,
         trust_remote_code=True,
-        max_model_len=4096,
         image_input_type="pixel_values",
         image_token_id=32044,
         image_input_shape="1,3,1008,1344",
@@ -28,11 +27,12 @@ def run_phi3v():
 
     sampling_params = SamplingParams(temperature=0, max_tokens=64)
 
-    outputs = llm.generate({
-        "prompt": prompt,
-        "sampling_params": sampling_params,
-        "multi_modal_data": ImagePixelData(image),
-    })
+    outputs = llm.generate(
+        {
+            "prompt": prompt,
+            "multi_modal_data": ImagePixelData(image),
+        },
+        sampling_params=sampling_params)
     for o in outputs:
         generated_text = o.outputs[0].text
         print(generated_text)