Update app.py

for some reason seems to be timing out (i.e., experiment taking longer than normal). Bumping up timeout to 5 min.

app.py

@@ -149,7 +149,7 @@ def task_processor():
     """
     global current_task, queue_counter
     task_start_time = None
-    TIMEOUT_SECONDS = 165  # 2min45s
+    TIMEOUT_SECONDS = 300
     
     while True:
         if current_task: