Solve FutureWarning comparison to None

molmod / QuickFF

A Python code to quickly derive ab initio parameterized force fields.

GNU General Public License v3.0

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Closed tovrstra closed 8 years ago

tovrstra commented 8 years ago

I got a lot of these lines in my output:

quickff/quickff/valence.py:396: FutureWarning: comparison to `None` will result in an elementwise object comparison in the future.

This patch takes care of the warning.