code: def plot_uv(uv, ax=None):
      if ax is None:
          _, ax = get_image_plot(uv.shape[1], uv.shape[0])
      ax.imshow(uv, interpolation="nearest")
  
file_path: kubric/kubric/plotting.py
imports: import colorsys
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: plot_uv(uv, ax) without return types