import imageio
import numpy as np


filename = 'test.gif'
fps = 30
quantizer = 0
colors = 256
loop = 0

writer = imageio.save(
    filename,
    duration=1.0/fps,
    quantizer=quantizer,
    palettesize=colors,
    loop=loop
)

for i in range(100):
    writer.append_data(np.random.randint(0, 255, (3, 100, 100), dtype=np.uint8))

        if "fps" in kwargs:
            warnings.warn(
                "The keyword `fps` is no longer supported. Use `duration`"
                "(in ms) instead, e.g. `fps=50` == `duration=20` (1000 * 1/50).",
                DeprecationWarning,
            )
            kwargs["duration"] = 1000 * 1 / kwargs.get("fps")