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https://issues.apache.org/jira/browse/TINKERPOP-3169?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18004296#comment-18004296
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Alfredo commented on TINKERPOP-3169:
------------------------------------

The code you provide works in pycharm as long as I don't place the break point 
on the line: 
 
*t = t.propertyMap().next()*
 
if I do then I get that exception again when I try to step over it. Placing a 
breakpoint on the following line below it doesn't throw the error, when I step 
over it.
 

> Vertex Creation Return StopItteraion() Error
> --------------------------------------------
>
>                 Key: TINKERPOP-3169
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-3169
>             Project: TinkerPop
>          Issue Type: Bug
>    Affects Versions: 3.7.3
>            Reporter: Alfredo
>            Priority: Major
>
> The vertex gets created with all its properties, however there's a 
> stopItteration() error that is thrown.
> Maybe i'm not doing this correctly but haven't found a way to do it. 
> What i'm trying to do is build my vertex and its properties dynamically from 
> a list, then "commit" it all in one transaction or call to db engine. Im 
> using latest gremlin python library.
> {code:java}
> t = g.add_v("person")
> for prop, value in property_list:
>     t = t.property(prop, value)
> response = t.next() # this creates vertex, throws stopIteration() error
> response = t.to_list() # this creates vertex, throws no error but returns 
> empty list
> ver_count_after = g.V().count().next() # Shows increase in vertices
> # is there a way to create a vertex with dynamic list of properties in one 
> transaction.
> # I cant daisy-chain .property().property() on the command as I don't have a 
> finite number of properties {code}
>  



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