[fix] Sleep always after job submission

scripts/grid_queue.py

@@ -26,6 +26,7 @@ from itertools import product
 import operator
 import time
 from collections import Iterable, Mapping
+from typing import List, Dict
 import argparse
 
 import os, sys
@@ -177,9 +178,18 @@ class ParameterGrid(object):
         raise IndexError('ParameterGrid index out of range')
 
 
-def get_all_jobs(bin, executable, param_grid) -> list:
+def get_all_jobs(bin: str,
+                 executable: str,
+                 param_grid: Dict) -> list:
+    """
+    Return a list of jobs for all combination of the parameters
+    :param bin:
+    :param executable:
+    :param param_grid:
+    :return:
+    """
     jobs = []
-    for combination in ParameterGrid(param_grid):
+    for combination in ParameterGrid(param_grid):  # type: Dict
         job = bin + ' ' + executable + ' '
         for key, value in combination.items():
             job += '--%s=%s ' % (key, value)
@@ -284,11 +294,12 @@ def main():
                    number_new_jobs * zapp_memory / (1 << 30)))
 
             # Number of new jobs to schedule need to satisfy all three constrains (concurrent ex, cores and memory)
-            count_next_jobs_to_schedule = min([
+            count_next_jobs_to_schedule = [
                 quota_jobs - used_jobs,
                 int((quota_cores - used_cores) / zapp_cores),
                 int((quota_memory - used_memory) / zapp_memory)
-            ])
+            ]
+            count_next_jobs_to_schedule = min(count_next_jobs_to_schedule)
 
             if count_next_jobs_to_schedule > 0:
                 logger.info('Scheduling %d new jobs' % count_next_jobs_to_schedule)
@@ -308,7 +319,8 @@ def main():
 
             else:
                 logger.warning('Quota exceeded. No jobs can be scheduled now! Sleeping')
-                time.sleep(15)
+
+            time.sleep(15)
 
         logger.info('All jobs have been submitted successfully! Exiting')