spectrogram https://github.com/le1ca/spectrogram/issues/2 diff #1 from psycho23 to have a 13.89% chance to aid patch creation for when python matplotlib 1.3.* is installed and the extra command-line arg/opts '1024' and 'linear' are absent

spectrogram-issue2-diff1

4a5
> import warnings #only used once to signify a variable change due to the use of an older matplotlib library.
89c90,97
<         plt.yscale('symlog', linthreshy=100, linscaley=0.25)
---
>         # < https://github.com/le1ca/spectrogram/issues/2 >
>         matplotlib_linscaley_replacement_placeholder=0.25
>         if matplotlib.__version__[0:3] == '1.3':
>             matplotlib_linscaley_replacement_placeholder=1
>             warnings.warn('You are using matplotlib 1.3.* (and not >= 1.4.0). Therefore linscaley must equal 1, not 0.25')
>         # </ https://github.com/le1ca/spectrogram/issues/2 >
> 
>         plt.yscale('symlog', linthreshy=100, linscaley=matplotlib_linscaley_replacement_placeholder)