@kjm I've just tested it through the REPL (PuTTY on COM with W10) on my LoPy and everything is OK:
>>> os.uname()
(sysname='LoPy', nodename='LoPy', release='1.20.0.rc11', version='v1.9.4-0a38f88 on 2019-05-14', machine='LoPy with ESP32', lorawan='1.0.2')
>>>
>>> v=input('Enter value -=> ')
Enter value -=> test msg
>>>
>>> print(v)
test msg
>>>