Merge pull request #1632 from SpiNNakerManchester/reset_connections

clear connections if set called again

Author: Christian-B

spynnaker/pyNN/models/neuron/synapse_dynamics/synapse_dynamics_structural_static.py

@@ -212,6 +212,7 @@ def set_connections(
         if not isinstance(synapse_info.synapse_dynamics,
                           AbstractSynapseDynamicsStructural):
             return
+        self.__connections = dict()
         collector = self.__connections.setdefault(
             (app_edge.post_vertex, post_vertex_slice.lo_atom), [])
         collector.append((connections, app_edge, synapse_info))

spynnaker/pyNN/models/neuron/synapse_dynamics/synapse_dynamics_structural_stdp.py

@@ -223,6 +223,7 @@ def set_connections(
         if not isinstance(synapse_info.synapse_dynamics,
                           AbstractSynapseDynamicsStructural):
             return
+        self.__connections = dict()
         collector = self.__connections.setdefault(
             (app_edge.post_vertex, post_vertex_slice.lo_atom), [])
         collector.append((connections, app_edge, synapse_info))