remove $ in HLS url

youtube.py

@@ -6,7 +6,7 @@ import subprocess
 
 config = {
     'RTMP_URL': 'rtmp://a.rtmp.youtube.com/live2/{STREAM_KEY}',
-    'HLS_URL': 'https://a.upload.youtube.com/http_upload_hls?cid=${STREAM_KEY}&copy=0&file=live.m3u8',
+    'HLS_URL': 'https://a.upload.youtube.com/http_upload_hls?cid={STREAM_KEY}&copy=0&file=live.m3u8',
     'SRC': 'rtsp://192.168.1.64:554/Streaming/channels/103',
     'STREAM_KEY': 'not-set'
 }