allpy

changeset 628:61de9b5744c8
Monomer.== now allows comparison with None
author: Daniil Alexeyevsky <dendik@kodomo.fbb.msu.ru>
date: Wed, 18 May 2011 21:38:17 +0400
parents: 9c3dea94cb76
children: 62a110b17a36
files: allpy/base.py
diffstat: 1 files changed, 2 insertions(+), 0 deletions(-) [+]
[-]

allpy/base.py 2 allpy/base.py 2
allpy/base.py 2
     1.1 --- a/allpy/base.py	Mon May 16 20:40:58 2011 +0400
     1.2 +++ b/allpy/base.py	Wed May 18 21:38:17 2011 +0400
     1.3 @@ -80,6 +80,8 @@
     1.4  
     1.5      def __eq__(self, other):
     1.6          """Monomers within same monomer type are compared by code1."""
     1.7 +        if not other:
     1.8 +            return False
     1.9          assert self.type == other.type
    1.10          return self.code1 == other.code1
    1.11