The docstring for operations.filter_physio is wrong

[bbfrederick]

The docstring for operations.filter_physio is wrong

Expected Behavior

The type of cutoffs should be "float or list" rather than "int or list"

The documentation describes the cutoff frequency arguments as integers, when they should actually be floats.

Actual Behavior

The description of cutoffs says the type is "int or list", it should be "float or list". This is only cosmetic. You can pass floats to cutoff, and they work as expected.

Steps to Reproduce the Problem

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Specifications

- Python version:
- peakdet version:
- Platform:

Possible solution

Fix the docstring