a b/tools/_init_paths.py 

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import os





  
  

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import sys





  
  

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BASE_DIR = os.path.dirname(os.path.abspath(__file__))





  
  

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sys.path.append(os.path.join(BASE_DIR, '../'))





  
  

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sys.path.append(os.path.join(BASE_DIR, '../utils'))





  
  

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sys.path.append(os.path.join(BASE_DIR, '../libs'))