cannot open serial monitor when using nodemcu

[emrizkis]

Error: Traceback (most recent call last):
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/platformio/main.py", line 102, in main
cli() # pylint: disable=no-value-for-parameter
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/click/core.py", line 764, in call
return self.main(*args, **kwargs)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/click/core.py", line 717, in main
rv = self.invoke(ctx)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/platformio/commands/init.py", line 44, in invoke
return super(PlatformioCLI, self).invoke(ctx)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
return _process_result(sub_ctx.command.invoke(sub_ctx))
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/click/core.py", line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/click/core.py", line 555, in invoke
return callback(*args, **kwargs)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/platformio/commands/device/command.py", line 197, in device_monitor
platform, kwargs["project_dir"], kwargs["environment"]
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/platformio/commands/device/helpers.py", line 106, in register_platform_filters
load_monitor_filter(path, project_dir, environment)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/platformio/commands/device/helpers.py", line 90, in load_monitor_filter
obj = cls(project_dir, environment)
File "/home/emrizkis/.platformio/penv/lib/python2.7/site-packages/platformio/commands/device/filters/base.py", line 23, in init
super(DeviceMonitorFilter, self).init()
TypeError: super(type, obj): obj must be an instance or subtype of type

[ru-nekit-android]

I setup Python 3.8 and use virtual-environment (https://docs.platformio.org/en/latest/core/installation.html#virtual-environment) for solve this problem.

[ivankravets]

We have fixed this issue. Please re-test with pio upgrade --dev.

[ivankravets]

PlatformIO Core 4.3.1 is out! Please upgrade via pio upgrade --dev.