Turn 'pyannote' into an optional dependency #122
Merged
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The current dependency on pyannote significantly increases the installation timeand complexity for speechmatics-python. Specifically, pyannote introduces heavy dependencies (numpy, scipy, and others), which, when built from source, require extensive build times and additional tooling, including a Fortran compiler \o/
Since the pyannote dependency is only used within the asr_metrics module and does not appear necessary for typical usage scenarios of the SDK, making it optional would greatly streamline default installations 😅
So, I tried to make it optional and edited the asr_metrics cli to handle the case when it is missing (and made some tiny fixes).