Need to check for constant 1 in _indexsearch?

[msmdev]

Mb. we need to check here, if the first vector is constantly 1 and not only constant?

msmtools/msmtools/analysis/dense/gpcca.py

Line 418 in d662da6

if not (diffs[0] < 1e-6):

[michalk8]

Will be dealt with in #18
Implemented in: https://github.com/michalk8/msmtools/blob/gpcca_tests/msmtools/analysis/dense/gpcca.py#L416
Tested in: https://github.com/michalk8/msmtools/blob/gpcca_tests/tests/analysis/impl/dense/gpcca_test.py#L270