[fix] get user quota every 15 seconds

Signed-off-by: Simone Rossi <simone.rossi.93@gmail.com>

scripts/grid_queue.py

@@ -281,6 +281,7 @@ def main():
     job_count = 0
     job_ids = []
 
+
     try:
         while len(list_of_jobs) != 0:
 
@@ -316,13 +317,15 @@ def main():
                         continue
                     logger.info('Job submitted with ID %d' % exec_id)
                     job_ids.append(exec_id)
-                    import random
-                    time.sleep(random.uniform(0.5, 2))
+                    #import random
+                    #time.sleep(random.uniform(0.5, 2))
+                time.sleep(15)
 
             else:
                 logger.warning('Quota exceeded. No jobs can be scheduled now! Sleeping')
 
             time.sleep(15)
+            quota_jobs, quota_cores, quota_memory = get_user_quota(api, user_id)
 
         logger.info('All jobs have been submitted successfully! Exiting')