Traceback (most recent call last):


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/orangecanvas/scheme/signalmanager.py", line 936, in __process_next

if self.__process_next_helper(use_max_active=True):


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/orangecanvas/scheme/signalmanager.py", line 974, in __process_next_helper

self.process_node(selected_node)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/orangecanvas/scheme/signalmanager.py", line 605, in process_node

self.send_to_node(node, signals_in)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/orangewidget/workflow/widgetsscheme.py", line 792, in send_to_node

self.process_signals_for_widget(node, widget, signals)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/orangewidget/workflow/widgetsscheme.py", line 826, in process_signals_for_widget

handler(*args)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/utils/sql.py", line 31, in new_f

return f(widget, data, *args, **kwargs)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/unsupervised/owkmeans.py", line 578, in set_data

self.invalidate(unconditional=True)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/unsupervised/owkmeans.py", line 458, in invalidate

self.unconditional_commit()


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/unsupervised/owkmeans.py", line 444, in commit

self.run_optimization()


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/unsupervised/owkmeans.py", line 403, in run_optimization

self.__launch_tasks(needed_ks)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/unsupervised/owkmeans.py", line 357, in __launch_tasks

preprocessed_data = self.preproces(self.data)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/widgets/unsupervised/owkmeans.py", line 493, in preproces

data = Normalize()(data)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/preprocess/preprocess.py", line 356, in __call__

return normalizer(data)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/preprocess/normalize.py", line 36, in __call__

return data.transform(domain)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/data/table.py", line 520, in transform

return type(self).from_table(domain, self)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/orangecontrib/text/corpus.py", line 508, in from_table

t = super().from_table(domain, source, row_indices)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/data/table.py", line 463, in from_table

variables=domain.attributes)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/data/table.py", line 397, in get_columns

col_array = match_density(col(source))


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/preprocess/transformation.py", line 38, in __call__

transformed = self.transform(col)


 "/Applications/Orange3.app/Contents/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/Orange/preprocess/transformation.py", line 127, in transform

raise ValueError('Normalization does not work for sparse data.')
ValueError: Normalization does not work for sparse data.

Traceback (most recent call last):


 "site-packages/raiden/network/rpc/smartcontract_proxy.py", line 77, in transact


 "site-packages/raiden/network/rpc/client.py", line 414, in send_transaction


 "site-packages/web3/eth.py", line 274, in sendRawTransaction


 "site-packages/web3/manager.py", line 112, in request_blocking
ValueError: {'code': -32010, 'message': 'Insufficient funds. The account you tried to send transaction from does not have enough funds. Required 41416577742691368 and got: 9219772000000000.'}
