link and flake cleanup

hbd/monitor.py

@@ -1,15 +1,19 @@
 """monitor helper and thread for heartbeat daemon."""
+
 from __future__ import annotations
 import asyncio
-import threading
-import subprocess
 import time
-from subprocess import Popen, PIPE, STDOUT
-from typing import Optional
-from . import hbdclass
+
 DROPOVERDUE = 7 * 24 * 3600
 
-def checkoverdue(config: dict, hbdclass, log: callable, pushmsg: callable, msg_to_websockets: callable):
+
+def checkoverdue(
+    config: dict,
+    hbdclass,
+    log: callable,
+    pushmsg: callable,
+    msg_to_websockets: callable,
+):
     now = time.time()
     for h in list(hbdclass.Host.hosts.keys()):
         pmsg = []
@@ -22,7 +26,8 @@ def checkoverdue(config: dict, hbdclass, log: callable, pushmsg: callable, msg_t
                 conn.newstate(hbdclass.Connection.OVERDUE, now, config.get("grace", 10))
                 pmsg.append(conn.afam)
             if (
-                conn.state == hbdclass.Connection.OVERDUE and (now - conn.lastbeat) > DROPOVERDUE
+                conn.state == hbdclass.Connection.OVERDUE
+                and (now - conn.lastbeat) > DROPOVERDUE
             ):
                 conn.newstate(hbdclass.Connection.UNKNOWN, conn.lastbeat)
         if pmsg != []:
@@ -31,6 +36,7 @@ def checkoverdue(config: dict, hbdclass, log: callable, pushmsg: callable, msg_t
             log(h, "%s overdue" % " and ".join(pmsg))
             msg_to_websockets("host", hbdclass.Host.hosts[h].stateinfo())
 
+
 async def start(
     config: dict,
     hbdclass: callable,
@@ -38,7 +44,7 @@ async def start(
     pushmsg=None,
     msg_to_websockets=None,
 ):
-    """ start a monitor loop that checks for overdue hosts every minute """
+    """start a monitor loop that checks for overdue hosts every minute"""
     while True:
-        await asyncio.sleep(15) # 15 seconds between checks
+        await asyncio.sleep(15)  # 15 seconds between checks
         checkoverdue(config, hbdclass, log, pushmsg, msg_to_websockets)