Need your Help

[bil007]

I tried to make every possibility but the problem persists

Error:
runfile('C:/Users/Bilel/Desktop/DEEP/example_1.py', wdir='C:/Users/Bilel/Desktop/DEEP')
Traceback (most recent call last):

  File "<ipython-input-1-9f59fd1a3eba>", line 1, in <module>
    runfile('C:/Users/Bilel/Desktop/DEEP/example_1.py', wdir='C:/Users/Bilel/Desktop/DEEP')

  File "C:\ProgramData\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 704, in runfile
    execfile(filename, namespace)

  File "C:\ProgramData\Anaconda3\lib\site-packages\spyder_kernels\customize\spydercustomize.py", line 108, in execfile
    exec(compile(f.read(), filename, 'exec'), namespace)

  File "C:/Users/Bilel/Desktop/DEEP/example_1.py", line 22, in <module>
    os.chdir ("C:\\Users\\Bilel\\Desktop\\DEEP\\data_svm.xlsx")

NotADirectoryError: [WinError 267] Nom de répertoire non valide: 'C:\\Users\\Bilel\\Desktop\\DEEP\\data_svm.xlsx'