basicsr Version conflict

[ZsTs119]

The conflict is caused by:
basicsr 1.4.2 depends on tb-nightly
basicsr 1.4.1 depends on tb-nightly
basicsr 1.4.0 depends on tb-nightly
basicsr 1.3.5 depends on tb-nightly
basicsr 1.3.4.9 depends on tb-nightly
basicsr 1.3.4.8 depends on tb-nightly
basicsr 1.3.4.7 depends on tb-nightly
basicsr 1.3.4.6 depends on tb-nightly
basicsr 1.3.4.4 depends on tb-nightly
basicsr 1.3.4.3 depends on tb-nightly
basicsr 1.3.4.2 depends on tb-nightly
basicsr 1.3.4.1 depends on tb-nightly
basicsr 1.3.4.0 depends on tb-nightly
basicsr 1.3.3.11 depends on tb-nightly
basicsr 1.3.3.10 depends on tb-nightly
basicsr 1.3.3.9 depends on tb-nightly
basicsr 1.3.3.8 depends on tb-nightly
basicsr 1.3.3.7 depends on tb-nightly
basicsr 1.3.3.6 depends on tb-nightly
basicsr 1.3.3.5 depends on tb-nightly
basicsr 1.3.3.4 depends on tb-nightly
basicsr 1.3.3.3 depends on tb-nightly
basicsr 1.3.3.1 depends on tb-nightly
basicsr 1.3.3 depends on tb-nightly
basicsr 1.3.2 depends on tb-nightly
basicsr 1.3.1 depends on tb-nightly

To fix this you could try to:

1. loosen the range of package versions you've specified
2. remove package versions to allow pip attempt to solve the dependency conflict
   
   ERROR: ResolutionImpossible: for help visit https://pip.pypa.io/en/latest/topics/dependency-resolution/#dealing-with-dependency-conflicts

[Qiuhao-Wu]

先安装cython