常連

こんにちは
LINEPYでBOTを作ろうとしているものです

本題に入りますが、
OEPollを使用して送られたメッセージを
"line.log"というファイルに保存するというスクリプトなのですが、
```Error
an integer is required (got type str)
```
が出てしまい、
"line.log"に内容を保存できませんでした

デバッグしてもどこが原因でファイルが保存できていないのかわからないです

Pythonの詳しい方、

解決法をお願いします

以下がソースコードです
```python
# -*- coding: utf-8 -*-

from linepy import *
import time, re, ast, sys, os, datetime

try:
   args = sys.argv
   if len(args)>=2 and args[1] is not None:
      cl = LINE(args[1])
   else:
      print("-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-")
      print("|||   Read Bot  by ****   |||")
      print("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=")
      print("")
      print("___Login Mode List______")
      print("| 1, URL Auth (Default)|")
      print("| 2, authToken         |")
      print("| 3, Email and Password|")
      print("________________________")
      print("")
      startCmdInt = input ("Please Choose Login Mode [1]: ")
      print("")
      if startCmdInt == "" or startCmdInt == "1":
         cl = LINE()
      elif startCmdInt == "2":
         authToken = input("authToken: ")
         print("")
         cl = LINE(authToken)
      elif startCmdInt == "3":
         email = input("Email: ")
         password = input("Password: ")
         print("")
         cl = LINE(email, password)
      else:
         cl = LINE()
except Exception as e:
   print("")
   print(e)
   print("")
   input("Press Enter to Finish...")
   exit()

channelToken = cl.getChannelResult()
cl.log("authToken: "+str(cl.authToken))
cl.log("channelToken: "+str(channelToken))

oepoll = OEPoll(cl)
clMID = cl.profile.mid

def restartBOT():
   time.sleep(3)
   os.execl(sys.executable, sys.executable, [args[0], cl.authToken])

def clBot(op):
   try:

      if os.path.isfile("line.log"):
         with open("line.log","r", "utf-8", "ignore") as f:
            log = f.read()
      else:
         log = ""
      if op.type == 0:
         cl.log("[ 0 ] END OF OPERATION")
      if op.type == 5:
         cl.log("[ 5 ] NOTIFIED ADD CONTACT")
         displayName = cl.getContact(op.param1).displayName
         mid = cl.getContact(op.param1).mid
         print("Add Contact: "+mid+"/"+displayName)
         log = "["+str(datetime.datetime.now())+"] Add Contact: "+mid+"/"+displayName+"\n\n"+log
      if op.type == 13:
         cl.log("[ 13 ] NOTIFIED INVITE GROUP")
         gid = op.param1
         gname = cl.getGroup(gid).name
         print("Invite Group: "+gid+"/"+gname)
         log = "["+str(datetime.datetime.now())+"] Invite Group: "+gid+"/"+gname+"\n\n"+log
         time.sleep(10)
         cl.acceptGroupInvitation(gid)
         print("Joined Group: "+gid+"/"+gname)
         log = "["+str(datetime.datetime.now())+"] Joined Group: "+gid+"/"+gname+"\n\n"+log
      if op.type == 24:
         cl.log("[ 24 ] NOTIFIED LEAVE ROOM")
         #mid = op.param1
         #cl.leaveRoom(mid)
         #print("Left Room: "+mid)
      if op.type == 25:
         cl.log("[ 25 ] SEND MESSAGE")
         to = op.message.to
         contentType = op.message.contentType
         messageId = op.message.id
         text = op.message.text
         if contentType == 0:
            if text is None:
               return
            if to.startswith("u"):
               displayName = cl.getContact(to).displayName
               print("Send Message: "+to+"/"+displayName+" "+messageId+" "+text)
               log = "["+str(datetime.datetime.now())+"] Send Message: "+to+"/"+displayName+" "+messageId+" "+text+"\n\n"+log
            if to.startswith("r"):
               print("Send Message: Room "+to+" "+messageId+" "+text)
               log = "["+str(datetime.datetime.now())+"] Send Message: Room "+to+" "+messageId+" "+text+"\n\n"+log
            if to.startswith("c"):
               name = cl.getGroup(to).name
               print("Send Message: Group "+to+"/"+name+" "+messageId+" "+text)
               log = "["+str(datetime.datetime.now())+"] Send Message: Group "+to+"/"+name+" "+messageId+" "+text+"\n\n"+log
         if contentType == 7:
            stickerId = op.message.contentMetadata["STKID"]
            stickerVersion = op.message.contentMetadata["STKVER"]
            packageId = op.message.contentMetadata["STKPKGID"]
            if to.startswith("u"):
               displayName = cl.getContact(to).displayName
               print("Send Message: "+to+"/"+displayName+" "+messageId+" "+stickerId+","+stickerVersion+","+packageId)
               log = "["+str(datetime.datetime.now())+"] Send Message: "+to+"/"+displayName+" "+messageId+" "+stickerId+","+stickerVersion+","+packageId+"\n\n"+log
            if to.startswith("r"):
               print("Send Message: Room "+to+" "+messageId+" "+messageId+" "+stickerId+","+stickerVersion+","+packageId)
               log = "["+str(datetime.datetime.now())+"] Send Message: Room "+to+" "+messageId+" "+messageId+" "+stickerId+","+stickerVersion+","+packageId+"\n\n"+log
            if to.startswith("c"):
               name = cl.getGroup(to).name
               print("Send Message: Group "+to+"/"+name+" "+messageId+" "+messageId+" "+stickerId+","+stickerVersion+","+packageId)
               log = "["+str(datetime.datetime.now())+"] Send Message: Group "+to+"/"+name+" "+messageId+" "+messageId+" "+stickerId+","+stickerVersion+","+packageId+"\n\n"+log
         if text.lower() == "restart":
            with open("line.log", "w", "utf-8", "ignore") as f:
               f.write(log)
            restartBOT()
      if op.type == 26:
         cl.log("[ 26 ] RECEIVE MESSAGE")
         to = op.message.to
         _from = op.message._from
         messageId = op.message.id
         text = op.message.text
         if to == clMID:
            displayName = cl.getContact(_from).displayName
            cl.sendChatChecked(_from, messageId)
         else:
            name = cl.getGroup(to).name
            displayName = cl.getContact(_from).displayName
            cl.sendChatChecked(to, messageId)
         if op.message.contentType == 0:
            if "MENTION" in op.message.contentMetadata.keys() != None:
               names = re.findall(r'@(\w+)', text)
               mention = ast.literal_eval(op.message.contentMetadata["MENTION"])
               mentionees = mention["MENTIONEES"]
               lists = []
               for mention in mentionees:
                  if clMID in mention["M"]:
                     if to == clMID:
                        print("Receive Message: "+_from+"/"+displayName+" "+messageId+" Mention")
                        log = "["+str(datetime.datetime.now())+"] Receive Message: "+_from+"/"+displayName+" "+messageId+" Mention"+"\n\n"+log
                     else:
                        print("Receive Message: "+to+"/"+name+" "+_from+"/"+displayName+" "+messageId+" Mention")
                        log = "["+str(datetime.datetime.now())+"] Receive Message: "+to+"/"+name+" "+_from+"/"+displayName+" "+messageId+" Mention"+"\n\n"+log
         if text is None:
            return
         if to == clMID:
            print("Receive Message: "+_from+"/"+displayName+" "+messageId+" "+text)
            log = "["+str(datetime.datetime.now())+"] Receive Message: "+_from+"/"+displayName+" "+messageId+" "+text+"\n\n"+log
         else:
            print("Receive Message: "+to+"/"+name+" "+_from+"/"+displayName+" "+messageId+" "+text)
            log = "["+str(datetime.datetime.now())+"] Receive Message: "+to+"/"+name+" "+_from+"/"+displayName+" "+messageId+" "+text+"\n\n"+log
         if text.lower() == "restart":
            restartBOT()
      if op.type == 15:
         cl.log("[ 15 ] MEMBER JOIN TO GROUP")
         gid = op.param1
         name = cl.getGroup(gid).name
         if op.param2 in clMID:
            print("Member Join To Group: "+gid+"/"+name+" Me")
            log = "["+str(datetime.datetime.now())+"] Member Join To Group: "+gid+"/"+name+" Me"+"\n\n"+log
            return
         mid = op.param2
         displayName = cl.getContact(mid),displayName
         print("Member Join To Group: "+gid+"/"+name+" "+mid+"/"+displayName)
         log = "["+str(datetime.datetime.now())+"] Member Join To Group: "+gid+"/"+name+" "+mid+"/"+displayName+"\n\n"+log
      if op.type == 15:
         cl.log("[ 15 ] MEMBER LEAVE TO GROUP")
         mid = op.param2
         gid = op.param1
         name = cl.getGroup(gid).name
         if mid == clMID:
            print("Member Leave To Group: "+gid+"/"+name+" Me")
            log = "["+str(datetime.datetime.now())+"] Member Leave To Group: "+gid+"/"+name+" Me"+"\n\n"+log
         displayName = cl.getContact(mid).displayName
         print("Member Leave To Group: "+gid+"/"+name+" "+mid+"/"+"displayName")
         log = "["+str(datetime.datetime.now())+"] Member Leave To Group: "+gid+"/"+name+" "+mid+"/"+"displayName"+"\n\n"+log
      with open("line.log", "w", encoding="UTF-8") as f:
         f.write(log)


   except Exception as e:
      cl.log(e)

while True:
    try:
        ops = oepoll.singleTrace(count=50)
        if ops is not None:
            for op in ops:
                clBot(op)
                oepoll.setRevision(op.revision)
    except Exception as e:
        cl.log(e)

```

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