fix: refactor/simplify conditionals

Author: drbh

server/text_generation_server/models/vlm_causal_lm.py

@@ -236,10 +236,7 @@ def batch_tokenized_inputs(
                     image = Image.open(BytesIO(chunk.image.data))
                     # qwen2_vl expects images to be greater than 20 pixels, this is for warmup since the
                     # default warmup image is 20x20
-                    if (
-                        config.model_type == "qwen2_vl"
-                        or config.model_type == "qwen2_5_vl"
-                    ):
+                    if config.model_type in {"qwen2_vl", "qwen2_5_vl"}:
                         if image.width <= 20:
                             w = image.width * 2
                             h = image.height * 2
@@ -430,10 +427,7 @@ def forward(
             max_s = batch.max_current_length
             lm_head_indices = batch.prefill_head_indices
 
-        if (
-            self.model.config.model_type == "qwen2_vl"
-            or self.model.config.model_type == "qwen2_5_vl"
-        ):
+        if self.model.config.model_type in {"qwen2_vl", "qwen2_5_vl"}:
             if position_ids.dim() == 1 and batch.prefilling:
                 position_ids = self.model.get_position_ids(
                     input_ids, batch.image_grid_thw