Stiivi/brewery — pull request #36 by rquevedo (2013-02-14 13:38:45+00:00)
Title: Add cast to tuple in merge node

In merge node raise this exception becouse "detail" is a rowproxy:
brewery.common.StreamRuntimeError: stream failed. reason:
exception: TypeError:
node:
can only concatenate tuple (not "list") to tuple
traceback
File "/usr/local/lib/python2.7/dist-packages/brewery-0.8.0-py2.7.egg/brewery/streams.py", line 533, in run
self.node.run()
File "/usr/local/lib/python2.7/dist-packages/brewery-0.8.0-py2.7.egg/brewery/nodes/record_nodes.py", line 344, in run
joined_row += detail