Use in syntax for key lookup for Python 3 compatibility

2017-05-15 17:34:48 -04:00 · 2017-05-15 17:34:48 -04:00 · 93cc6f4a5d
parent 6a1f7e61f2
commit 93cc6f4a5d
1 changed files with 1 additions and 1 deletions
--- a/examples/python/lj-melt-potential.py
+++ b/examples/python/lj-melt-potential.py
@ -12,7 +12,7 @@ class LAMMPSLJCutPotential(object):
                               'NULL': (0.0,1.0, 0.0, 0.0,0.0,0.0)}}

    def map_coeff(self,name,type):
-        if self.coeff.has_key(name):
+        if name in self.coeff:
           self.pmap[type] = name
        else:
           raise Exception("cannot match atom type %s" % name)