Retrieve only one match

Change-Id: I2e35bcc2e690d3fc0640dcf5e37928ef9d26087a
---
M scripts/checkimages.py
1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/scripts/checkimages.py b/scripts/checkimages.py
index 5eb5923..ae6d170 100755
--- a/scripts/checkimages.py
+++ b/scripts/checkimages.py
@@ -610,10 +610,10 @@
     def upload_bot_change_function(report_page_text, upload_bot_array) -> str:
         """Detect the user that has uploaded the file through upload bot."""
         regex = upload_bot_array[1]
-        results = re.findall(regex, report_page_text)
+        result = re.search(regex, report_page_text)
 
-        if results:
-            return results[0]
+        if result:
+            return result.group()
 
         # we can't find the user, report the problem to the bot
         return upload_bot_array[0]

