old_contents: # Copyright 2021 The Kubric Authors
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    https://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """A simple example w/o advanced (bullet/blender) dependencies."""
  
  # TODO: this should become the "post-processing" example? 
  
  import logging
  import kubric as kb
  
  logging.basicConfig(level="DEBUG")
  print(f"executing '{__file__}' with kubric=={kb.__version__}")
  
  # --- create scene and attach a renderer to it
  scene = kb.Scene(resolution=(256, 256))
  
  # --- populate the scene with objects, lights, cameras
  scene += kb.Cube(name="floor", scale=(10, 10, 0.1), position=(0, 0, -0.1))
  scene += kb.Sphere(name="ball", scale=1, position=(0, 0, 1.))
  scene += kb.DirectionalLight(name="sun", position=(-1, -0.5, 3), look_at=(0, 0, 0), intensity=1.5)
  scene += kb.PerspectiveCamera(name="camera", position=(3, -1, 4), look_at=(0, 0, 1))
new_contents: # Copyright 2021 The Kubric Authors
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    https://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  """A simple example w/o advanced (bullet/blender) dependencies."""
  
  # TODO(klausg): this should become the "post-processing" example that shows GIFs in matplotlib? 
  
  import logging
  import kubric as kb
  
  logging.basicConfig(level="DEBUG")
  print(f"executing '{__file__}' with kubric=={kb.__version__}")
  
  # --- create a dummy scene
  scene = kb.Scene(resolution=(256, 256))
  scene += kb.Cube(name="floor", scale=(10, 10, 0.1), position=(0, 0, -0.1))
  scene += kb.Sphere(name="ball", scale=1, position=(0, 0, 1.))
  scene += kb.DirectionalLight(name="sun", position=(-1, -0.5, 3), look_at=(0, 0, 0), intensity=1.5)
  scene += kb.PerspectiveCamera(name="camera", position=(3, -1, 4), look_at=(0, 0, 1))
  
subject: Update basic.py