get git hash 2

utils/generic_utils.py

@@ -25,7 +25,10 @@ def load_config(config_path):
 
 def get_commit_hash():
     """https://stackoverflow.com/questions/14989858/get-the-current-git-hash-in-a-python-script"""
-    subprocess.check_output(['git', 'diff-index', '--quiet', 'HEAD'])   # Verify client is clean
+    try:
+        subprocess.check_output(['git', 'diff-index', '--quiet', 'HEAD'])   # Verify client is clean
+    except:
+        raise RuntimeError(" !! Commit before training to get the commit hash.")
     commit = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode().strip()
     print(' > Git Hash: {}'.format(commit))
     return commit