diff --git a/borgmatic/hooks/dispatch.py b/borgmatic/hooks/dispatch.py
index 4f7706fc..24793b5a 100644
--- a/borgmatic/hooks/dispatch.py
+++ b/borgmatic/hooks/dispatch.py
@@ -4,6 +4,7 @@ from borgmatic.hooks import (
     cronhub,
     cronitor,
     healthchecks,
+    loki,
     mariadb,
     mongodb,
     mysql,
@@ -11,7 +12,6 @@ from borgmatic.hooks import (
     pagerduty,
     postgresql,
     sqlite,
-    loki,
 )
 
 logger = logging.getLogger(__name__)
diff --git a/borgmatic/hooks/loki.py b/borgmatic/hooks/loki.py
index a26f9625..53ff2081 100644
--- a/borgmatic/hooks/loki.py
+++ b/borgmatic/hooks/loki.py
@@ -1,8 +1,10 @@
-import logging
-import requests
 import json
-import time
+import logging
 import platform
+import time
+
+import requests
+
 from borgmatic.hooks import monitor
 
 logger = logging.getLogger(__name__)
@@ -16,50 +18,54 @@ MONITOR_STATE_TO_HEALTHCHECKS = {
 # Threshold at which logs get flushed 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
     '''
+
     def __init__(self, url, dry_run):
         self.url = url
         self.dry_run = dry_run
         self.root = {}
-        self.root["streams"] = [{}]
-        self.root["streams"][0]["stream"] = {}
-        self.root["streams"][0]["values"] = []
+        self.root['streams'] = [{}]
+        self.root['streams'][0]['stream'] = {}
+        self.root['streams'][0]['values'] = []
 
     def add_value(self, value):
         timestamp = str(time.time_ns())
-        self.root["streams"][0]["values"].append((timestamp, value))
+        self.root['streams'][0]['values'].append((timestamp, value))
 
     def add_label(self, label, value):
-        self.root["streams"][0]["stream"][label] = value
+        self.root['streams'][0]['stream'][label] = value
 
     def _to_request(self):
         return json.dumps(self.root)
 
     def __len__(self):
-        return len(self.root["streams"][0]["values"])
+        return len(self.root['streams'][0]['values'])
 
     def flush(self):
         if self.dry_run:
-            self.root["streams"][0]["values"] = []
+            self.root['streams'][0]['values'] = []
             return
         if len(self) == 0:
             return
         request_body = self._to_request()
-        self.root["streams"][0]["values"] = []
-        request_header = {"Content-Type": "application/json"}
+        self.root['streams'][0]['values'] = []
+        request_header = {'Content-Type': 'application/json'}
         try:
-            r = requests.post(self.url, headers=request_header, data=request_body, timeout=5)
-            r.raise_for_status()
+            result = requests.post(self.url, headers=request_header, data=request_body, timeout=5)
+            result.raise_for_status()
         except requests.RequestException:
-            logger.warn("Failed to upload logs to loki")
+            logger.warn('Failed to upload logs to loki')
+
 
 class loki_log_handeler(logging.Handler):
     '''
     A log handler that sends logs to loki
     '''
+
     def __init__(self, url, dry_run):
         super().__init__()
         self.buffer = loki_log_buffer(url, dry_run)
@@ -79,23 +85,25 @@ class loki_log_handeler(logging.Handler):
         if len(self.buffer) > 0:
             self.buffer.flush()
 
+
 def initialize_monitor(hook_config, config, config_filename, monitoring_log_level, dry_run):
     '''
     Add a handler to the root logger to regularly send the logs to loki
     '''
     url = hook_config.get('url')
     loki = loki_log_handeler(url, dry_run)
-    for k, v in hook_config.get('labels').items():
-        if v == '__hostname':
-            loki.add_label(k, platform.node())
-        elif v == '__config':
-            loki.add_label(k, config_filename.split('/')[-1])
-        elif v == '__config_path':
-            loki.add_label(k, config_filename)
+    for key, value in hook_config.get('labels').items():
+        if value == '__hostname':
+            loki.add_label(key, platform.node())
+        elif value == '__config':
+            loki.add_label(key, config_filename.split('/')[-1])
+        elif value == '__config_path':
+            loki.add_label(key, config_filename)
         else:
-            loki.add_label(k, v)
+            loki.add_label(key, value)
     logging.getLogger().addHandler(loki)
 
+
 def ping_monitor(hook_config, config, config_filename, state, monitoring_log_level, dry_run):
     '''
     Adds an entry to the loki logger with the current state
@@ -106,6 +114,7 @@ def ping_monitor(hook_config, config, config_filename, state, monitoring_log_lev
                 if state in MONITOR_STATE_TO_HEALTHCHECKS.keys():
                     handler.raw(f'{config_filename} {MONITOR_STATE_TO_HEALTHCHECKS[state]} backup')
 
+
 def destroy_monitor(hook_config, config, config_filename, monitoring_log_level, dry_run):
     '''
     Remove the monitor handler that was added to the root logger.