what to do if moudle not in pip3 only in pip2?

[korenron]

I'm getting this error now

python3 GetAllData_Working_backup.py
Traceback (most recent call last):
  File "GetAllData_Working_backup.py", line 5, in <module>
    from modemcmd import modemcmd
  File "/home/pi/.local/lib/python3.7/site-packages/modemcmd/__init__.py", line 2, in <module>
    from serial import Serial
ImportError: cannot import name 'Serial' from 'serial' (/home/pi/.local/lib/python3.7/site-packages/serial/__init__.py)

this is the full code , I have only import the wanted packages

import asyncio
import websockets

import time
import datetime
import serial
import pynmea2
from modemcmd import modemcmd
from modemcmd import ModemcmdException
from modemcmd import ModemcmdTimeoutException

from gpiozero import CPUTemperature


ser = serial.Serial('/dev/ttyUSB1',9600,timeout = 0.5)

ModemInfo = '/dev/ttyUSB2'