Ensures weights/ dir exists

Allows train.py to be run outside of yolov5/ directory.

Ensures weights/ dir exists
c3d4d321 · Lauritzen Kasper Primdal · 099e6f5e · c3d4d321
--- a/train.py
+++ b/train.py
@@ -20,6 +20,7 @@ except:
    mixed_precision = False  # not installed

 wdir = 'weights' + os.sep  # weights dir
+os.makedirs(wdir, exist_ok=True)
 last = wdir + 'last.pt'
 best = wdir + 'best.pt'
 results_file = 'results.txt'