channelstream: fix channel hashing with str

rhodecode/lib/channelstream.py

@@ -178,7 +178,7 b' def parse_channels_info(info_result, inc'
 
 def log_filepath(history_location, channel_name):
 
-    channel_hash = ascii_str(sha1_safe(channel_name))
+    channel_hash = sha1_safe(channel_name, return_type='str')
     filename = f'{channel_hash}.log'
     filepath = os.path.join(history_location, filename)
     return filepath