Unable to read in FITS file

[am610]

Hi I am trying to reproduce this example https://lenstools.readthedocs.io/en/latest/examples/power_spectrum.html
with my own map. If I simply execute the example with the example data, I can produce the plot, however when I read in my FITS file (a full sky convergence map) I keep getting error as shown below :

[warmtoday]

您的邮件已收到，谢谢！

[apetri]

Hi, you are seeing this because you are trying to pass a numpy array to the read method instead of a filename. Also note that, when providing your own fits files, you need to make sure the header/data conform exactly to the ones in the example