Traceback (most recent call last):


 "/home/........../basics/visuals/line_draw.py", line 178, in <module>

win = Canvas()


 "/home/........../basics/visuals/line_draw.py", line 154, in __init__

self.pos = np.zeros((n, 3), dtype=np.float32)


 "/home/........../lib/python3.6/site-packages/vispy/util/frozen.py", line 16, in __setattr__

'attributes' % (key, self))
AttributeError: 'pos' is not an attribute of class <Canvas (PyQt5) at 0x7f4334088f98>. Call "unfreeze()" to allow addition of new attributes

Traceback (most recent call last):


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/flask/app.py", line 1949, in full_dispatch_request

rv = self.dispatch_request()


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/flask/app.py", line 1935, in dispatch_request

return self.view_functions[rule.endpoint](**req.view_args)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/flask/views.py", line 89, in view

return self.dispatch_request(*args, **kwargs)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/flask/views.py", line 163, in dispatch_request

return meth(*args, **kwargs)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/ckan-2.10.0a0-py3.7.egg/ckan/config/middleware/../../views/resource.py", line 367, in post

get_action(u'resource_update')(context, data)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/ckan-2.10.0a0-py3.7.egg/ckan/logic/__init__.py", line 473, in wrapped

result = _action(context, data_dict, **kw)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/ckan-2.10.0a0-py3.7.egg/ckan/logic/action/update.py", line 104, in resource_update

updated_pkg_dict = _get_action('package_update')(context, pkg_dict)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/ckan-2.10.0a0-py3.7.egg/ckan/logic/__init__.py", line 473, in wrapped

result = _action(context, data_dict, **kw)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/ckan-2.10.0a0-py3.7.egg/ckan/logic/action/update.py", line 344, in package_update

model.repo.commit()


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/sqlalchemy/orm/scoping.py", line 163, in do

return getattr(self.registry(), name)(*args, **kwargs)


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/sqlalchemy/orm/session.py", line 1042, in commit

self.transaction.commit()


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/sqlalchemy/orm/session.py", line 504, in commit

self._prepare_impl()


 "/home/vitor/Projetos/okfn/ckan/env/lib/python3.7/site-packages/sqlalchemy/orm/session.py", line 474, in _prepare_impl

stx = self.session.transaction
AttributeError: 'NoneType' object has no attribute 'transaction'
