擅长:python、mysql、java
<p>只是有点拼写错误。您声明了<code>class MBase</code>,但试图导入<code>MLBase</code>。您只需将超类文件更改为:</p>
<pre><code>from preprocessing import PreProcessing
class MLBase: #Note that it's "MLBase", not "MBase"
preProcessing = None
def __init__(self,preprocessingOptions):
self.preProcessing = PreProcessing(preProcessingOptions)
# and more stuff here...
</code></pre>