adds sys library

Author: Elliot Kim

test-vine-task-severless.py

@@ -1,6 +1,7 @@
 #!/usr/bin/env python
 import ndcctools.taskvine as vine
 import time
+import sys
 
 def func():
     return 
@@ -45,7 +46,7 @@ def main():
     throughput = num_tasks/many
     chaining = num_tasks/one
 
-    print(f"Throughput was {throughput} tasks per second")
+    print(f"\nThroughput was {throughput} tasks per second")
     print(f"Chaining was {chaining} tasks per second")
     print("all tasks complete!")
     assert throughput >= 110

test-vine-task-throughput.py

@@ -2,6 +2,7 @@
 
 import ndcctools.taskvine as vine
 import time
+import sys
 
 if __name__ == "__main__":
 
@@ -45,7 +46,7 @@
     one = end - start
     throughput = num_tasks/many
     chaining = num_tasks/one
-    print(f"Throughput was {throughput} tasks per second")
+    print(f"\nThroughput was {throughput} tasks per second")
     print(f"Chaining was {chaining} tasks per second")
     print("all tasks complete!")
     assert throughput >= 190