Fix type conversion for node_num in __get_mode_command method

Author: avazr

superbench/runner/runner.py

@@ -27,6 +27,7 @@
 
 class SuperBenchRunner():
     """SuperBench runner class."""
+
     def __init__(self, sb_config, docker_config, ansible_config, sb_output_dir):
         """Initilize.
 
@@ -155,7 +156,7 @@ def __get_mode_command(self, benchmark_name, mode, timeout=None):
             torch_dist_params = (
                 f'--nnodes={mode.node_num} --rdzv-endpoint=$MASTER_ADDR:$MASTER_PORT '
                 f'--rdzv-id={random.randint(100, 999)} --rdzv-backend=c10d '
-                if 'node_num' in mode and mode.node_num > 1 else ''
+                if 'node_num' in mode and int(mode.node_num) > 1 else ''
             )
 
             nsys_prefix = (