mspectrum raises NotImplementedError on macOS about chiantipy HOT 6 OPEN

This is another sign of some of the problems with the continuum routines as in issue #155 and I am working to correct them. In the meantime, there is the v 0.7.0 release that works but the continuum calculations are not as good as in the current version, when I get it working again.

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I wonder if this is fixed by #157 as well? The source of this error is much less obvious to me...
See comment below

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@Astroprog could post the exact code snippet that led to this error?

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@kdere I'm pretty sure this is just a consequence of executing the qsize() method on Mac OS as indicted by the comment in the Traceback,

# Raises NotImplementedError on Mac OSX because of broken sem_getvalue()

The only option I think would be to find a different way of getting the queue size, at least on OS X. There is a similar issue here: vterron/lemon#11

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Try running the calculation without calculating the continuum. The spectral line intensities calculations have not changed and this may tell us something

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I just did this myself and the calculation worked for me.
temp=2.e+7 dens=1.e+9 wvl=1. + 0.002*arange(4501) import ChiantiPy.tools.filters as chfilters s3 = ch.spectrum(temp, dens, wvl, filter = (chfilters.gaussian,.015),doContinuum=0, em=1.e+27,minAbund=1.e-5,verbose=1,nproc=4)
because I was only working with the line intensities, neither ffworkerQ nor fbworkerQ are used. I suspect that is has not been tested this way. I think I have always calculated the ions and may or may not have calculated the continuum. I will try this once the continuum code gets working again.

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