signature=b75bd62a847d521364573a908c49e265,scikit-learn/base.py at 7b136e92acf49d46251479b75c88cba63...
#Author:GaelVaroquaux#License:BSD3clauseimportcopyimportwarningsfromcollectionsimportdefaultdictimportplatformimportnumpyasnpfromscipyimportsparsefrom.externalsimport