484 introduced a bug where MontePy can no longer write out a material input with "plib"
To Reproduce
Successfully load the deck, and then try to write it out again.
Error Message (if any)
Traceback (most recent call last):
File "testit.py", line 3, in <module>
deck.write_problem("out.imcnp", overwrite=True)
File "montepy/mcnp_problem.py", line 413, in write_problem
self._write_to_stream(fh)
File "montepy/mcnp_problem.py", line 455, in _write_to_stream
lines = obj.format_for_mcnp_input(self.mcnp_version)
File "montepy/data_inputs/material.py", line 145, in format_for_mcnp_input
lines = super().format_for_mcnp_input(mcnp_version)
File "montepy/mcnp_object.py", line 131, in format_for_mcnp_input
self._tree.check_for_graveyard_comments()
File "montepy/input_parser/syntax_node.py", line 145, in check_for_graveyard_comments
flatpack = self.flatten()
File "montepy/input_parser/syntax_node.py", line 275, in flatten
ret += node.flatten()
File "montepy/input_parser/syntax_node.py", line 2279, in flatten
ret += node.flatten()
File "montepy/input_parser/syntax_node.py", line 275, in flatten
ret += node.flatten()
AttributeError: 'NoneType' object has no attribute 'flatten'
MCNP input file snippet
If applicable, please include a small section of the input file you were working on. If it includes any specific values please change or remove them. For example:
plib example
C Cells
1 1 -1.0 -1
2 1 -0.5 -2 +1
3 0 +2
C Surfaces
1 so 0
2 so 2
c Data
m1 8016.71c 2-02
8017.71c 9-09
plib=84p
imp:p 2 1 0
mode p
nps 1
Describe the bug
484 introduced a bug where MontePy can no longer write out a material input with "plib"
To Reproduce
Successfully load the deck, and then try to write it out again.
Error Message (if any)
MCNP input file snippet
If applicable, please include a small section of the input file you were working on. If it includes any specific values please change or remove them. For example:
Version