How to download image?

Using Streamlit
10 
from io import BytesIO
buf = BytesIO()
img.save(buf, format="JPEG")
byte_im = buf.getvalue()

Now you can use the st.download_button

btn = col.download_button(
      label="Download Image",
      data=byte_im,
      file_name="imagename.png",
      mime="image/jpeg",
      )
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