Python comes with many things, but by default it does not have tools for manipulating images. The third-party Pillow library, formerly known as PIL (the Python Imaging Library), provides a slew of ...

Every Python developer knows some or all of these libraries, because they’re stable, reliable, and excellent at what they do.

I'm trying to iterate through all the pictures in a folder and resize them using the python thumbnail function. I get an error: IOError: cannot identify image file. Can anyone help me out on this one?