diff --git a/workloads/IMDB_extended/run_variable_clients.py b/workloads/IMDB_extended/run_variable_clients.py
index aa0b256a..72da511c 100644
--- a/workloads/IMDB_extended/run_variable_clients.py
+++ b/workloads/IMDB_extended/run_variable_clients.py
@@ -421,7 +421,7 @@ def __init__(
         self.pause_semaphore = pause_semaphore
         self.resume_semaphore = resume_semaphore
         self.paused_clients: List[int] = []
-        self.running_clients: List[int]  = list(range(total_num_clients))
+        self.running_clients: List[int] = list(range(total_num_clients))
         self.num_running_clients: int = total_num_clients
 
     def adjust_num_running_clients(