Added more documentation to the code

Fixed typos and changed class names to fit the coding convention

borgmatic/hooks/loki.py

@@ -1,8 +1,8 @@
 import json
 import logging
-import os
 import platform
 import time
+import os
 
 import requests
 
@@ -20,7 +20,7 @@ MONITOR_STATE_TO_LOKI = {
 MAX_BUFFER_LINES = 100
 
 
-class Loki_log_buffer:
+class Loki_log_buffer():
     '''
     A log buffer that allows to output the logs as loki requests in json. Allows
     adding labels to the log stream and takes care of communication with loki.
@@ -73,7 +73,6 @@ class Loki_log_buffer:
         except requests.RequestException:
             logger.warning('Failed to upload logs to loki')
 
-
 class Loki_log_handler(logging.Handler):
     '''
     A log handler that sends logs to loki.