(20251122) Reverted formatting and added a semaphore.

backend/api/helpers/muster_roll.py

@@ -38,6 +38,9 @@ sys.path.append("..")
 
 # System-level:
 import os
+
+# To work with date and time:
+import time
 import datetime
 
 # For using Quart:
@@ -123,6 +126,11 @@ def load_from_cosec(
     downloads_dir = os.path.join(base_dir, r"downloads")
     masters_dir = os.path.join(base_dir, r"masters")
 
+    # First kill the previous processes:
+    kill_count = CosecWeb.kill_chrome_processes()
+    current_app.printer("Killed Chrome Procs.", kill_count)
+    if kill_count > 0: time.sleep(2.5)
+
     # Create an instance of the automation object:
     current_app.cosec = CosecWeb(
         cosec_url = cosec_url,