tl841: Handle existing SSH-keys during setup

parker/tl841.py

@@ -157,7 +157,10 @@ class SmallUBootStrategy(Strategy):
                 pubkey = fh.read()
             r = requests.get('http://192.168.1.1/cgi-bin/config/admin/remote')
             match = re.search('<textarea[^>]+>(.+)</textarea>', r.text, re.DOTALL)
-            keys = match[1] + "\n" + pubkey
+            if match:
+                keys = match[1] + "\n" + pubkey
+            else:
+                keys = pubkey
 
             payload = {
                 "token": "",