MAINT: more failsafe connection of sections

hnn_core/cell.py

@@ -221,11 +221,15 @@ def _create_sections(self, p_secs):
 
         # Connects sections of THIS cell together.
         for connection in topology:
-            # XXX: risky to use self.soma as default. Unfortunately there isn't
-            # a dictionary with all the sections (including soma)
-            parent_sec = self.dends.get(connection[0], self.soma)
+            if connection[0] == 'soma':
+                parent_sec = self.soma
+            else:
+                parent_sec = self.dends[connection[0]]
+            if connection[2] == 'soma':
+                child_sec = self.soma
+            else:
+                child_sec = self.dends[connection[1]]
             parent_loc = connection[1]
-            child_sec = self.dends.get(connection[2], self.soma)
             child_loc = connection[3]
             child_sec.connect(parent_sec, parent_loc, child_loc)