Error happen when using LightGBM with Pipeline provided by sklearn

[PaperStrange]

Describe the bug Using LightGBM model as a classfier of pipeline cause a error, saying checking dimension failed for data parameter "X" when call ".fit" to the pipeline

To Reproduce (Left unfinshed) Steps to reproduce the behavior:

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2. Click on '....'
3. Scroll down to '....'
4. See error

Expected behavior Normal running procedure

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Desktop (please complete the following information):

• OS: Ubuntu 14
• Browser chrome
• Version 43

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

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