[jira] [Created] (TINKERPOP-2057) TypeError when grouping by multiple attributes

["Pierce Freeman (JIRA)" <ji...@apache.org>]

Pierce Freeman created TINKERPOP-2057:
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             Summary: TypeError when grouping by multiple attributes
                 Key: TINKERPOP-2057
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-2057
             Project: TinkerPop
          Issue Type: Bug
          Components: python
    Affects Versions: 3.3.3
            Reporter: Pierce Freeman


The python serialization engine fails when trying to group a path by two intermediate variables:

 
{code:java}
graph = Graph()

g = graph.traversal().withRemote(DriverRemoteConnection('ws://localhost:8182/gremlin','g'))

g.V().as_("a").out().out().as_("b").path().group().by(__.select("a", "b")).unfold().toList()
{code}
{code:java}
~/tinkerpop/gremlin-python/src/main/jython/gremlin_python/structure/io/graphsonV3d0.py in objectify(cls, l, reader)
456 while x < len(l):
457 new_dict[reader.toObject(l[x])] = reader.toObject(l[x + 1])
--> 458 x = x + 2
459 return new_dict
460 

TypeError: unhashable type: 'dict'
{code}
 



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