chore: fix ruff lint errors

src/mailadm/bot.py

@@ -269,7 +269,7 @@ def main(mailadm_db, admbot_db_path):
         while 1:
             for logmsg in prune(mailadm_db).get("message"):
                 logging.info("%s", logmsg)
-            for _second in range(0, 600):
+            for _second in range(600):
                 if not ac._event_thread.is_alive():
                     logging.error("dc core event thread died, exiting now")
                     os._exit(1)

src/mailadm/mailcow.py

@@ -38,7 +38,7 @@ def add_user_mailcow(self, addr, password, token, quota=0):
             "tags": ["mailadm:" + token],
         }
         result = r.post(url, json=payload, headers=self.auth, timeout=HTTP_TIMEOUT)
-        if type(result.json()) != list or result.json()[0].get("type") != "success":
+        if not isinstance(result.json(), list) or result.json()[0].get("type") != "success":
             raise MailcowError(result.json())
 
     def del_user_mailcow(self, addr):
@@ -59,12 +59,12 @@ def get_user(self, addr):
         json = result.json()
         if json == {}:
             return None
-        if type(json) == dict:
+        if isinstance(json, dict):
             if json.get("type") == "error":
                 raise MailcowError(json)
             return MailcowUser(json)
         # some mailcow versions return all users, even if you only ask for a specific one:
-        if type(json) == list:
+        if isinstance(json, list):
             for user in [MailcowUser(user) for user in json]:
                 if user.addr == addr:
                     return user
@@ -79,7 +79,7 @@ def get_user_list(self):
         json = result.json()
         if json == {}:
             return []
-        if type(json) == dict:
+        if isinstance(json, dict):
             if json.get("type") == "error":
                 raise MailcowError(json)
         return [MailcowUser(user) for user in json]

tests/test_conn.py

@@ -166,7 +166,7 @@ def add_user_db(*args, **kwargs):
     auth = {"X-API-Key": conn.config.mailcow_token}
     result = requests.get(url, headers=auth)
     assert result.status_code == 200
-    if result.json() is not {} and type(result.json()) == list:
+    if result.json() is not {} and not isinstance(result.json(), list):
         for user in result.json():
             assert user["username"] != addr
 
@@ -243,4 +243,4 @@ def test_delete_user_mailcow_missing(conn, mailcow, mailcow_domain):
 
 def test_db_version(conn):
     version = conn.get_dbversion()
-    assert type(version) == int
+    assert isinstance(version, int)