Traceback (most recent call last):


 "<stdin>", line 1, in <module>


 "/usr/local/lib/python2.7/dist-packages/tangent/grad_util.py", line 386, in grad

verbose=verbose)


 "/usr/local/lib/python2.7/dist-packages/tangent/grad_util.py", line 290, in autodiff

check_dims, verbose)


 "/usr/local/lib/python2.7/dist-packages/tangent/grad_util.py", line 144, in autodiff_tree

check_dims, verbose)


 "/usr/local/lib/python2.7/dist-packages/tangent/grad_util.py", line 89, in autodiff_ast

node = annotate.resolve_calls(func)


 "/usr/local/lib/python2.7/dist-packages/tangent/annotate.py", line 109, in resolve_calls

node = quoting.parse_function(func)


 "/usr/local/lib/python2.7/dist-packages/tangent/quoting.py", line 90, in parse_function

'have accessible source code.' % e)
ValueError: Cannot differentiate function: could not get source code. Tangent must be able to access the source code of the function. Functions defined in a Python interpreter and functions backed by C extension modules do not have accessible source code.

Traceback (most recent call last):


 "d:\release\BUILD\meshroom\meshroom\ui\reconstruction.py", line 818, in importImagesUrls


 "d:\release\BUILD\meshroom\meshroom\ui\reconstruction.py", line 805, in importImagesFromFolder


 "d:\release\BUILD\meshroom\meshroom\ui\reconstruction.py", line 874, in buildIntrinsics


 "d:\release\BUILD\meshroom\meshroom\nodes\aliceVision\CameraInit.py", line 282, in buildIntrinsics


 "d:\release\BUILD\meshroom\meshroom\nodes\aliceVision\CameraInit.py", line 92, in readSfMData

NotFoundError: [Errno 2] No such file or directory: 'C:/Users/Adam/AppData/Local/Temp/tmpyf780ap7/CameraInit/f9436e97e444fa71a05aa5cf7639b206df8ba282/cameraInit.sfm'
