Traceback (most recent call last):


 "/usr/bin/pip2", line 9, in <module>

load_entry_point('pip==1.5.4', 'console_scripts', 'pip2')()


 "/usr/lib/python2.7/dist-packages/pip/__init__.py", line 185, in main

return command.main(cmd_args)


 "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 161, in main

text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 29: ordinal not in range(128)

Traceback (most recent call last):


 "check.py", line 107, in <module>

check_backward(variables, options.cuda, options.verbose)


 "check.py", line 53, in check_backward

(baseline_values[0] + baseline_values[1]).sum().backward()


 "/home/cpinard/anaconda3/lib/python3.6/site-packages/torch/tensor.py", line 93, in backward

torch.autograd.backward(self, gradient, retain_graph, create_graph)


 "/home/cpinard/anaconda3/lib/python3.6/site-packages/torch/autograd/__init__.py", line 89, in backward

allow_unreachable=True)
# allow_unreachable flag
RuntimeError: Function LLTMFunctionBackward returned an invalid gradient at index 2 - expected shape [1, 15] but got [15]
