Adding a test for connections missing neurotransmitter (#419)

PyOpenWorm/import_override.py

@@ -49,7 +49,8 @@ def mb(mod):
                 else:
                     return mod
 
-            return mb(self.mapper.process_module(module_name=module_name, cb=cb, caller=caller))
+            return mb(self.mapper.process_module(module_name=module_name,
+                                                 cb=cb, caller=caller))
         self.import_wrapper = import_wrapper
         self.wrapped = None
 

tests/DataIntegrityTest.py

@@ -221,6 +221,20 @@ def test_number_neuron_to_muscle(self):
 
         self.assertEqual(1111, synapse.count())
 
+    def test_synapses_have_neurotransmitters(self):
+        """
+        This test checks that synapses have neurotransmitters associated with them
+        """
+        synapse = self.qctx(Connection).query()
+        synapse.termination('neuron')
+        self.qctx(Worm)().get_neuron_network().synapse(synapse)
+        no_nt = []
+        for m in synapse.load():
+            if not m.synclass():
+                no_nt.append(m)
+
+        self.assertEqual([], no_nt)
+
     def test_correct_number_unique_neurons(self):
         """
         This test verifies that the worm model has exactly 300 unique neurons