[Misc][Easy] Remove the space from the file name

vllm/model_executor/layers/quantization/utils/fp8_utils.py

@@ -423,7 +423,7 @@ def get_w8a8_block_fp8_configs(N: int, K: int, block_n: int,
     # First look up if an optimized configuration is available in the configs
     # directory
     device_name = current_platform.get_device_name().replace(" ", "_")
-    json_file_name = f"N={N},K={K},device_name={device_name},dtype=fp8_w8a8,block_shape=[{block_n}, {block_k}].json"  # noqa: E501
+    json_file_name = f"N={N},K={K},device_name={device_name},dtype=fp8_w8a8,block_shape=[{block_n},{block_k}].json"  # noqa: E501
 
     config_file_path = os.path.join(
         os.path.dirname(os.path.realpath(__file__)), "configs", json_file_name)