a chain has failed to generate if the result is the same as the input
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@ -167,4 +167,7 @@ class Module(ModuleManager.BaseModule):
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break
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break
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words.append(third_word)
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words.append(third_word)
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if words == first_words:
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return None
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return " ".join(words)
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return " ".join(words)
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