Traceback (most recent call last):


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/channels/channel.py", line 487, in receive

metadata=metadata,


 "/usr/local/miniconda3/lib/python3.6/asyncio/coroutines.py", line 110, in __next__

return self.gen.send(None)


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/channels/channel.py", line 83, in handler

await app.agent.handle_message(*args, **kwargs)


 "/usr/local/miniconda3/lib/python3.6/asyncio/coroutines.py", line 110, in __next__

return self.gen.send(None)


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/agent.py", line 485, in handle_message

async with self.lock_store.lock(message.sender_id):


 "/usr/local/miniconda3/lib/python3.6/asyncio/coroutines.py", line 110, in __next__

return self.gen.send(None)


 "/usr/local/miniconda3/lib/python3.6/site-packages/async_generator/_util.py", line 34, in __aenter__

return await self._agen.asend(None)


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/lock_store.py", line 89, in lock

ticket = self.issue_ticket(conversation_id, lock_lifetime)


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/lock_store.py", line 70, in issue_ticket

lock = self.get_or_create_lock(conversation_id)


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/lock_store.py", line 140, in get_or_create_lock

existing_lock = self.get_lock(conversation_id)


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/lock_store.py", line 204, in get_lock

return TicketLock.from_dict(json.loads(serialised_lock))


 "/usr/local/miniconda3/lib/python3.6/site-packages/rasa/core/lock.py", line 57, in from_dict

tickets = [Ticket.from_dict(json.loads(d)) for d in data.get("tickets")]
TypeError: 'NoneType' object is not iterable

Traceback (most recent call last):


 "/builddir/build/BUILD/MDAnalysis-0.16.0/MDAnalysisTests-0.16.0/MDAnalysisTests/analysis/test_encore.py", line 742, in test_dimensionality_reduction_one_ensemble

coordinates, details = encore.reduce_dimensionality(self.ens1)


 "/builddir/build/BUILDROOT/python-MDAnalysis-0.16.0-1.fc27.i386/usr/lib/python2.7/site-packages/MDAnalysis/analysis/encore/dimensionality_reduction/reduce_dimensionality.py", line 197, in reduce_dimensionality

**kwargs))


 "/builddir/build/BUILDROOT/python-MDAnalysis-0.16.0-1.fc27.i386/usr/lib/python2.7/site-packages/MDAnalysis/analysis/encore/confdistmatrix.py", line 358, in get_distance_matrix

verbose=verbose)


 "/builddir/build/BUILDROOT/python-MDAnalysis-0.16.0-1.fc27.i386/usr/lib/python2.7/site-packages/MDAnalysis/analysis/encore/confdistmatrix.py", line 99, in conformational_distance_matrix

ensemble.select_atoms(selection), format='fac'))


 "/builddir/build/BUILDROOT/python-MDAnalysis-0.16.0-1.fc27.i386/usr/lib/python2.7/site-packages/MDAnalysis/coordinates/memory.py", line 365, in timeseries

return array.take(asel.indices, a_index)
TypeError: Cannot cast array data from dtype('int64') to dtype('int32') according to the rule 'safe'
