[enhancement] Synthetic population lazy imports#798
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importing from the synthetic population file often took longer than a few seconds, when loading for the first time
i.e.
from posydon.popsyn.synthetic_population import Population.This is mostly due to the amount of other parts of the code that are loaded.
This brings the loading down from 1870ms to 737ms
Tested with
python -X importtime -c "from posydon.popsyn.synthetic_population import Population"The imports are still not great. Part of this seems to be how much we import from other parts of posydon.
For example, posydon.popsyn.synthetic_population imports
popsyn.binarypopulation, andposydon.binary_evol.binarystar,etc, which is quite a large "time sink". See the attached image for the import time usage.Focus on the top-left of the below images. These show what is taking the longest to import.
original import time:

importtime from this rework.
