Platformio-core: PlaftormIO: Unable to get a list of serial ports.

[ilovetogetspamed]

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Configuration

Operating system: OS X 10.11.6 (15G1510)

PlatformIO Version (platformio --version): PlatformIO, version 2.11.0

Description of problem

Get error message in popup. "PlaftormIO: Unable to get a list of serial ports."

Steps to Reproduce

1. Try to open Serial Monitor
   2.
   3.

Actual Results

Expected Results

Get list of ports.

If problems with PlatformIO Build System:

The content of platformio.ini:

Insert here...

Source file to reproduce issue:

Insert here...

Additional info

I can access the device from the command line just fine using 'miniterm.py /dev/cu.usbmodem1411 9600'

[ilovetogetspamed]

After updating to IDE 2.0.0-beta.4 Core 3.4.0b4 the dropdown populates,

but when I click on the Serial Monitor button I get:

[ivankravets]

Open system terminal (not PIO IDE) and remove obsolete PIO Core.

sudo pip uninstall platformio

or 

brew uninstall platformio

Restart Atom.