fix rewrite signature

stream.py

@@ -233,7 +233,7 @@ try:
 except Exception as e:
     logger.info(e)
 
-async def rewrite(current, provider, proxy):
+async def rewrite(current, proxy):
     ndata = None
     text = None
     try:
@@ -346,7 +346,7 @@ class MainHandler(tornado.web.RequestHandler):
             logger.info(upstream)
             data = None
             if "mpegurl" in ctype.lower():
-                data = rewrite(upstream, provider, proxy)
+                data = rewrite(upstream, proxy)
                 self.set_header("Content-Type", "application/vnd.apple.mpegurl")
                 self.write(data)
             else: