Jul 23, 2017 · 1 min read
I fixed the “else” error but am still getting the py_call_impl error (tried on two different machines, ubuntu and windows, same error):
Error in py_call_impl(callable, dots$args, dots$keywords) :
ValueError: output of generator should be a tuple `(x, y, sample_weight)` or `(x, y)`. Found: None