File '/Users/richardpark/Projects/galaxy-central/eggs/WebError-0.8a-py2.7.egg/weberror/evalexception/middleware.py', line 364 in respond
app_iter = self.application(environ, detect_start_response)
File '/Users/richardpark/Projects/galaxy-central/eggs/Paste-1.6-py2.7.egg/paste/debug/prints.py', line 98 in __call__
environ, self.app)
File '/Users/richardpark/Projects/galaxy-central/eggs/Paste-1.6-py2.7.egg/paste/wsgilib.py', line 539 in intercept_output
app_iter = application(environ, replacement_start_response)
File '/Users/richardpark/Projects/galaxy-central/eggs/Paste-1.6-py2.7.egg/paste/recursive.py', line 80 in __call__
return self.application(environ, start_response)
File '/Users/richardpark/Projects/galaxy-central/eggs/Paste-1.6-py2.7.egg/paste/httpexceptions.py', line 632 in __call__
return self.application(environ, start_response)
File '/Users/richardpark/Projects/galaxy-central/lib/galaxy/web/framework/base.py', line 160 in __call__
body = method( trans, **kwargs )
File '/Users/richardpark/Projects/galaxy-central/lib/galaxy/web/controllers/dataset.py', line 288 in display
return data.datatype.display_data(trans, data, preview, filename, to_ext, chunk, **kwd)
TypeError: display_data() got an unexpected keyword argument 'key'