Merge branch 'permutation' of github.com:henrywotton/openfold into permutation

README.md

@@ -18,3 +18,5 @@ that tests permutation functions.
 [```tests/test_data/label_1.pkl```](https://github.com/dingquanyu/openfold/blob/permutation/tests/test_data/label_1.pkl) 
 and [```tests/test_data/label_2.pkl```](https://github.com/dingquanyu/openfold/blob/permutation/tests/test_data/label_2.pkl) are 2 fake ground truth structures.
 ```label_1.pkl``` has 9 residues and ```label_2.pkl``` has 13 residues
+29/06/23 Fill NaN in the lddt scores with the matrix mean for now because the test data are randomly generated and it gives NaN in the lddt score somehow.
+**Delete** this step before merging to Multimer branch