[Python] Pyinstaller and --onefile: How to include an image in the exe file

I have created an exe file using Pyinstaller.

pyinstaller.exe --onefile --icon='Loco.ico program.py


In the program, I include an image in my plots, and when I run the program alone in its folder, I get the following:

IOError: [Errno 2] No such file or directory: 'Logo.png'


One solution is to include the image in the folder of the exe as seen in the link below:

pyinstaller does not show images and icon

But then again the whole point of --onefile is to have exactly that, not need the image in addition. I think the solution may be in this link, but I haven't understood it.

Bundling data files with PyInstaller (--onefile)

my spec file looks the following:

# -*- mode: python -*-
a = Analysis(['AMOS_Visualizer.py'],
pathex=['C:\\Users\\elu\\PycharmProjects\\Prosjektet\\Forsok splitting'],
hiddenimports=[],
hookspath=None,
runtime_hooks=None)

pyz = PYZ(a.pure)
exe = EXE(pyz,
a.scripts,
a.binaries,
a.zipfiles,
a.datas,
name='AMOS_Visualizer.exe',
debug=False,
strip=None,
upx=True,
console=True , icon='AMOS.ico')

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