From c54e39464cf8a426eedaca9183b7c5da5f7bad06 Mon Sep 17 00:00:00 2001
From: Glenn Jocher <glenn.jocher@ultralytics.com>
Date: Fri, 11 Sep 2020 14:33:06 -0700
Subject: [PATCH] check_file() assert unique

---
 utils/general.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/utils/general.py b/utils/general.py
index 2cbe517..eec8202 100755
--- a/utils/general.py
+++ b/utils/general.py
@@ -133,7 +133,8 @@ def check_file(file):
     else:
         files = glob.glob('./**/' + file, recursive=True)  # find file
         assert len(files), 'File Not Found: %s' % file  # assert file was found
-        return files[0]  # return first file if multiple found
+        assert len(files) == 1, "Multiple files match '%s', specify exact path: %s" % (file, files)  # assert unique
+        return files[0]  # return file
 
 
 def check_dataset(dict):