Fix empty lines in dimacs

jcmgray / quimb

A python library for quantum information and many-body calculations including tensor networks.

http://quimb.readthedocs.io

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Closed jjcmoon closed 6 months ago

jjcmoon commented 6 months ago

Encountered a bug where .cnf files couldn't be loaded if they contain empty lines (see below). Fixed by moving the empty line check up.

  File ".../quimb/tensor/tensor_builder.py", line 2607, in cnf_file_parse
    if args[0] == "p":
IndexError: list index out of range

pep8speaks commented 6 months ago

Hello @jjcmoon! Thanks for opening this PR. We checked the lines you've touched for PEP 8 issues, and found:

Line 2761:1: W293 blank line contains whitespace

jcmgray commented 6 months ago

LGTM, thanks!