glob.glob(recursive=True) search (#917)

utils/datasets.py

@@ -110,7 +110,7 @@ class LoadImages:  # for inference
         p = str(Path(path))  # os-agnostic
         p = os.path.abspath(p)  # absolute path
         if '*' in p:
-            files = sorted(glob.glob(p))  # glob
+            files = sorted(glob.glob(p, recursive=True))  # glob
         elif os.path.isdir(p):
             files = sorted(glob.glob(os.path.join(p, '*.*')))  # dir
         elif os.path.isfile(p):