Python кодировка: UnicodeDecodeError: 'charmap' codec can't decode byte 0x98 in position 149: character maps error

Python выдает ошибку при запуске помогите пожалуйста исправить

код

import smtplib                                              
import os                                                   

import mimetypes                                            
from email import encoders                                  
from email.mime.base import MIMEBase                        
from email.mime.text import MIMEText                        
from email.mime.image import MIMEImage                      
from email.mime.audio import MIMEAudio                      
from email.mime.multipart import MIMEMultipart              

def send_email(addr_from, password, addr_to, files):                            

msg_subj = 'Password'
msg_text = 'Password'
msg = MIMEMultipart()                                   
msg['From']    = addr_from                              
msg['To']      = addr_to                                
msg['Subject'] = msg_subj                               
body = msg_text                                         
msg.attach(MIMEText(body, 'plain'))                     
process_attachement(msg, files)

#==========Код зависящий от сервиса==========
server = smtplib.SMTP('smtp.gmail.com', 587)
server.starttls()
server.login(addr_from, password)
server.send_message(msg)
server.quit()
    #============================================

def process_attachement(msg, files):                        
for f in files:
    if os.path.isfile(f):                               
    attach_file(msg,f)                              
    elif os.path.exists(f):                             
    dir = os.listdir(f)                             
    for file in dir:                                
    attach_file(msg,f+"/"+file)                 

def attach_file(msg, filepath):                             
filename = os.path.basename(filepath)                   
ctype, encoding = mimetypes.guess_type(filepath)        
if ctype is None or encoding is not None:              
ctype = 'application/octet-stream'                  
maintype, subtype = ctype.split('/', 1)                 
if maintype == 'text':                                  
    with open(filepath) as fp:                          
        file = MIMEText(fp.read(), _subtype=subtype)    
        fp.close()                                      
elif maintype == 'image':                               
    with open(filepath, 'rb') as fp:
        file = MIMEImage(fp.read(), _subtype=subtype)
        fp.close()
elif maintype == 'audio':                               
    with open(filepath, 'rb') as fp:
        file = MIMEAudio(fp.read(), _subtype=subtype)
        fp.close()
else:                                                   
    with open(filepath, 'rb') as fp:
        file = MIMEBase(maintype, subtype)              
        file.set_payload(fp.read())                     
        fp.close()
        encoders.encode_base64(file)                    
file.add_header('Content-Disposition', 'attachment', filename=filename) 
msg.attach(file)