'platformio==3.5.2a6' distribution was not found

Performing a platformio update, and everything is up to date.
Today I tried to open the serial port in Atom, and I got this in the terminal,

Windows PowerShell
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PS C:\Users\Mike\Documents\PlatformIO\Projects\180129-175153-m5stack-core-esp32> pio device monitor --port COM6 --baud 115200
Traceback (most recent call last):
File “C:\Users\Mike.platformio\penv\Scripts\pio-script.py”, line 6, in
from pkg_resources import load_entry_point
File “c:\users\Mike.platformio\penv\lib\site-packages\pkg_resources_init_.py”, line 3147, in
@call_aside
File "c:\users\Mike.platformio\penv\lib\site-packages\pkg_resources_init
.py", line 3131, in call_aside
f(*args, **kwargs)
File "c:\users\Mike.platformio\penv\lib\site-packages\pkg_resources_init
.py", line 3160, in _initialize_master_working_set
working_set = WorkingSet.build_master()
File "c:\users\Mike.platformio\penv\lib\site-packages\pkg_resources_init
.py", line 668, in _build_master
return cls._build_from_requirements(requires)

File “c:\users\Mike.platformio\penv\lib\site-packages\pkg_resources_init_.py”, line 681, in build_from_requirements
dists = ws.resolve(reqs, Environment())
File "c:\users\Mike.platformio\penv\lib\site-packages\pkg_resources_init
.py", line 870, in resolve
raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The ‘platformio==3.5.2a6’ distribution was not found and is required by the application
PS C:\Users\Mike\Documents\PlatformIO\Projects\180129-175153-m5stack-core-esp32>

See

Thank you! that took care of it