Error when opening image file with encoding

Question

I tried the below code

    global img
    f_types=[('Jpeg files',"*.jpeg")]
    filename=filedialog.askopenfile(filetypes=f_types)
    img=Image.open(filename)

it generates the below trace back

File "PS C:\Users\vinot\AppData\Local\Programs\Python\Python310> & C:/Users/vinot/AppData/Local/Programs/Python/Python310/python.exe c:/Users/vinot/AppData/Local/Programs/Python/Python310/TextractModuleTest-1.py
Exception in Tkinter callback
Traceback (most recent call last):
  File "C:\Users\vinot\AppData\Local\Programs\Python\Python310\lib\tkinter\__init__.py", line 1921, in __call__
    return self.func(*args)
  File "c:\Users\vinot\AppData\Local\Programs\Python\Python310\TextractModuleTest-1.py", line 15, in <lambda>
    width=30, command=lambda:upload_file())
  File "c:\Users\vinot\AppData\Local\Programs\Python\Python310\TextractModuleTest-1.py", line 21, in upload_file
    img=Image.open(filename)
  File "C:\Users\vinot\AppData\Local\Programs\Python\Python310\lib\site-packages\PIL\Image.py", line 3077, in open
    prefix = fp.read(16)
  File "C:\Users\vinot\AppData\Local\Programs\Python\Python310\lib\encodings\cp1252.py", line 23, in decode
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x90 in position 70: character maps to <undefined>

I understand it's an encode error. I need help to solve this.