PEP 479 compatibility: Replace StopIteration with return
Description
This changes a few lalinference python programs to be compatible with python3.7. PEP479 changes the behaviour of generators so that this exception can no longer be used to signal the end of the sequence. The generator should simply return instead. This fixes issue #185 (closed).
API Changes and Justification
Backwards Compatible Changes
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This change introduces no API changes -
This change adds new API calls
Backwards Incompatible Changes
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This change modifies an existing API -
This change removes an existing API