Comments (4)
Thanks so much for digging in! Kayhan, good to hear from you!
Looks like you’ve already found this code is currently only Python 2.7 compatible.
The fmap stuff is vestigial (from the fmap-everywhere branch of Autograd, which I meant to remove). I’ll take a look at that when I can.
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I was able to make some progress by using the latest from autograd (https://github.com/HIPS/autograd), which now has the toposort function. Unfortunately I still have a problem when trying to run one of the examples:
Traceback (most recent call last):
File ".\kalman_filter.py", line 97, in
app.run(main)
File "C:\ProgramData\Anaconda3\lib\site-packages\absl\app.py", line 300, in run
_run_main(main, args)
File "C:\ProgramData\Anaconda3\lib\site-packages\absl\app.py", line 251, in _run_main
sys.exit(main(argv))
File ".\kalman_filter.py", line 79, in main
marginal = make_marginal_fn()
File ".\kalman_filter.py", line 46, in make_marginal_fn
log_p_x1_y1, 0, SupportTypes.REAL, *([1.] * 4))
File "C:\autoconj\autoconj\conjugacy.py", line 213, in complete_conditional
_trace_and_analyze(log_joint_fun, argnum, *args))
File "C:\autoconj\autoconj\conjugacy.py", line 157, in _trace_and_analyze
graph = make_expr(log_joint_fun, *args)
File "C:\autoconj\autoconj\tracers.py", line 88, in make_expr
used_start_nodes = {n for n in toposort(end_node, lambda n: n.parents)
File "C:\autoconj\autoconj\tracers.py", line 88, in
used_start_nodes = {n for n in toposort(end_node, lambda n: n.parents)
File "C:\autograd\autograd\util.py", line 25, in toposort
if node in child_counts:
TypeError: unhashable type: 'ExprNode'
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Switching to python 2.7 resolved this for me.
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@dwrtz I agree. It resolves some but not all problems. For example, this:
20 from autograd import grad
21 from autograd import value_and_grad
---> 22 from autograd import fmap_util
23
24 from . import conjugacy
ImportError: cannot import name fmap_util
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