Improve error checking

276e8f4d · peastman · e4e94dbc · 276e8f4d
Commit 276e8f4d authored May 15, 2018 by peastman
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wrappers/python/simtk/openmm/app/pdbfile.py wrappers/python/simtk/openmm/app/pdbfile.py +2 -1

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--- a/wrappers/python/simtk/openmm/app/pdbfile.py
+++ b/wrappers/python/simtk/openmm/app/pdbfile.py
@@ -375,7 +375,8 @@ class PDBFile(object):
                    line = "%s%5d %-4s %3s %s%4s%1s   %s%s%s  1.00  0.00          %2s  " % (
                        recordName, atomIndex%100000, atomName, resName, chainName, resId, resIC, _format_83(coords[0]),
                        _format_83(coords[1]), _format_83(coords[2]), symbol)
-                    assert len(line) == 80, 'Fixed width overflow detected'
+                    if len(line) != 80:
+                        raise ValueError('Fixed width overflow detected')
                    print(line, file=file)
                    posIndex += 1
                    atomIndex += 1