How to fix "tf-nightly 2.7.0.dev20210912 requires flatbuffers~=2.0, but you have flatbuffers 1.12 which is incompatible."

tf-nightly==2.7.0.dev20210912 requires flatbuffers-2.0-py2.py3-none-any.whl.

When you do pip install tf-nightly==2.7.0.dev20210912. It automatically downloads flatbuffers-2.0.