[Python] FluidSynth() output volume is too low

In my Python script, I am using FluidSynth to convert .mid files to .wav files:

fs = FluidSynth()
fs.midi_to_audio('myfile.mid', 'myfile.wav')


FluidSynth successfully converts myfile.mid to myfile.wav and saves the output, everything goes well.

The problem is the output volume is too low.

I saw in FluidSynth documentation is that I can insert option -g or --gain to FluidSynth to increase the default volume of 0.2.

So in the FluidSynth() instance, in the Python script, how can I pass the -g option to increace output volume?

Any help would be much appreciated.

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