Amazon AWS EC2 startup and re-startup scripts (#2282)

utils/aws/resume.py

@@ -2,11 +2,14 @@
 # Usage: $ python utils/aws/resume.py
 
 import os
+import sys
 from pathlib import Path
 
 import torch
 import yaml
 
+sys.path.append('./')  # to run '$ python *.py' files in subdirectories
+
 port = 0  # --master_port
 path = Path('').resolve()
 for last in path.rglob('*/**/last.pt'):