closes #279 again (for circular seqs)

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 93.63%. Comparing base (768c6fa) to head (7d03dd0). Report is 3 commits behind head on dev_bjorn.

Additional details and impacted files

[](https://app.codecov.io/gh/BjornFJohansson/pydna/pull/324?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Bj%C3%B6rn+Johansson) ```diff @@ Coverage Diff @@ ## dev_bjorn #324 +/- ## ========================================== Coverage 93.63% 93.63% ========================================== Files 40 40 Lines 3926 3926 Branches 589 589 ========================================== Hits 3676 3676 Misses 198 198 Partials 52 52 ``` | [Files with missing lines](https://app.codecov.io/gh/BjornFJohansson/pydna/pull/324?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Bj%C3%B6rn+Johansson) | Coverage Δ | | |---|---|---| | [src/pydna/amplify.py](https://app.codecov.io/gh/BjornFJohansson/pydna/pull/324?src=pr&el=tree&filepath=src%2Fpydna%2Famplify.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Bj%C3%B6rn+Johansson#diff-c3JjL3B5ZG5hL2FtcGxpZnkucHk=) | `98.67% <100.00%> (ø)` | | ... and [18 files with indirect coverage changes](https://app.codecov.io/gh/BjornFJohansson/pydna/pull/324/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Bj%C3%B6rn+Johansson)

[manulera]

Hi @BjornFJohansson I am merging this since it's a small bug fix