dont retry known-good hosts

panxy.py

@@ -31,6 +31,9 @@ def test_proxy(prx):
     try:
         result = opener.open(target, timeout=6)
         content = result.read().decode()
+        if prx.split(':')[0] not in content:
+            print(srv_string + 'bait.')
+            return False
         print(srv_string + 'ok. \u2705')
         return True
     except error.HTTPError:
@@ -47,12 +50,12 @@ def test_proxy(prx):
         return False
        
 def get_proxies():
-
     proxy_list = get_list_from_api()
     working_list = []
     start_length = len(proxy_list)
     try:
         for entry in proxy_list:
+            if entry not in working_list:
                 if test_proxy(entry):
                     working_list.append(entry)
             else: