Number of processors parameter ommited

[bamal]

The number of the specified CPUs is

# Run workflow locally on 3 CPUs
    main_workflow.run(plugin='MultiProc', plugin_args={'n_procs': 3})

but it is still executing the jobs on 8 processors which is the default number of my computer.

RuntimeWarning: filter_length (158401) is longer than the signal (144001), distortion is likely. Reduce filter length or filter a longer signal.
filter_length (158401) is longer than the signal (144001), distortion is likely. Reduce filter length or filter a longer signal.
[Parallel(n_jobs=8)]: Done   2 tasks      | elapsed:    1.1s