Freezing dependencies
Finished release v0.1.50.

* release/v0.1.50:
  Freezing dependencies
  STORAGEMODEL-198 fix missing return
  TRIVIAL further update doc conf.py
  TRIVIAL fix doc conf.py
  empty test commit
  empty test commit
  empty test commit
  empty test commit
  empty test commit
  empty test commit
  Unfreezing dependencies
  empty commit after version v0.1.49
empty commit after version v0.1.50
Unfreezing dependencies