[Python] Header Info is saved to image from FormData request

I am building an API endpoint that should upload an Image I send over FormData to my Supabase storage folder. It works fine so far, but the images I find in my Supabase Storage Dashboard are broken. When I download one I can see that there is header info saved to the image file. How do I avoid this? If i remove the header info from the downloaded file manually, the file is fixed.

The Api endpoint:

def upload(request: Request) -\> Response:
try:
image = request.files\['image'\]
filename = image.filename
mimetype = image.mimetype or "image/jpeg"

# Create a temporary file
with tempfile.NamedTemporaryFile(delete=False) as tmp:
tmp.write(image.read())
tmp.flush()

# Upload the temp file using its path
upload_response = supabase.storage.from_("products").upload(
f"products/{filename}",
tmp.name,
{"Content-Type": mimetype}
)

return jsonify({"message": "Image uploaded successfully"}), 201

except Exception as e:
return jsonify({"error": str(e)}), 500


The downloaded image file (beginning):

--b6d61cb67cff2bea49da34524d19850e
Content-Disposition: form-data; name="file"; filename="postman.png"
Content-Type: text/plain;charset=UTF-8

‰PNG
IHDR..


I want to pass the image I get from the FormData of the API request to the supabase storage. How can I avoid the header info in the file?

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