Non compliant floats in json of pythreejs

[moorepants]

WARNING: Cell printed to stderr:
/home/moorepants/miniconda/envs/multibody-book/lib/python3.9/site-packages/jupyter_client/session.py:718: UserWarning: Message serialization failed with:
Out of range float values are not JSON compliant
Supporting this message is deprecated in jupyter-client 7, please make sure your message is JSON-compliant
  content = self.pack(content)

WARNING: Cell printed to stderr:
/home/moorepants/miniconda/envs/multibody-book/lib/python3.9/site-packages/pythreejs/traits.py:203: UserWarning: 64-bit data types not supported for WebGL data, casting to 32-bit.
  warnings.warn('64-bit data types not supported for WebGL '