fix use of british english (neighbours -> neighbors)

b_asic/operation.py

@@ -86,9 +86,9 @@ class Operation(GraphComponent):
 
     @property
     @abstractmethod
-    def neighbours(self) -> "List[Operation]":
+    def neighbors(self) -> "List[Operation]":
         """Return all operations that are connected by signals to this operation.
-        If no neighbours are found this returns an empty list
+        If no neighbors are found this returns an empty list
         """
         raise NotImplementedError
 
@@ -175,17 +175,17 @@ class AbstractOperation(Operation, AbstractGraphComponent):
         return [self]
 
     @property
-    def neighbours(self) -> List[Operation]:
-        neighbours: List[Operation] = []
+    def neighbors(self) -> List[Operation]:
+        neighbors: List[Operation] = []
         for port in self._input_ports:
             for signal in port.signals:
-                neighbours.append(signal.source.operation)
+                neighbors.append(signal.source.operation)
 
         for port in self._output_ports:
             for signal in port.signals:
-                neighbours.append(signal.destination.operation)
+                neighbors.append(signal.destination.operation)
 
-        return neighbours
+        return neighbors
 
     def traverse(self) -> Operation:
         """Traverse the operation tree and return a generator with start point in the operation."""
@@ -198,7 +198,7 @@ class AbstractOperation(Operation, AbstractGraphComponent):
         while queue:
             operation = queue.popleft()
             yield operation
-            for n_operation in operation.neighbours:
+            for n_operation in operation.neighbors:
                 if n_operation not in visited:
                     visited.add(n_operation)
                     queue.append(n_operation)