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Merge pull request #1963 from jmchilton/str_comp

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Do not use "is not" to compare strings.
This commit is contained in:
Dannon Baker
2016-03-21 13:21:56 -04:00
parent 058c644d88 5df7830424
commit 162f6d49af
1 changed files with 1 additions and 1 deletions
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lib/galaxy/tools/parameters/basic.py
+1 -1
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@@ -187,7 +187,7 @@ class ToolParameter( object, Dictifiable ):
return value
def validate( self, value, trans=None ):
if value is not '' or not self.optional:
if value != '' or not self.optional:
for validator in self.validators:
validator.validate( value, trans )