Same here. It works fine on windows, but having my settings synced I get the same error when I try to open a repl on linux:
Traceback (most recent call last):
File "/home/gbatiz/.config/sublime-text-3/Packages/SublimeREPL/sublimerepl.py", line 495, in open
rv = ReplView(view, r, syntax, repl_restart_args)
File "/home/gbatiz/.config/sublime-text-3/Packages/SublimeREPL/sublimerepl.py", line 186, in __init__
self._history = PersistentHistory(self.external_id)
File "/home/gbatiz/.config/sublime-text-3/Packages/SublimeREPL/sublimerepl.py", line 140, in __init__
self._db.create("external_id", "command", "ts", mode="open")
File "/home/gbatiz/.config/sublime-text-3/Packages/SublimeREPL/repllibs/PyDbLite.py", line 193, in create
return self.open()
File "/home/gbatiz/.config/sublime-text-3/Packages/SublimeREPL/repllibs/PyDbLite.py", line 246, in open
self.fields = pickle.load(_in)
_pickle.UnpicklingError: invalid load key, ''.
error: UnpicklingError("invalid load key, '\x03'.",)