raspberry pi 2.7 fix for bad method signature#16

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jesseditson wants to merge 1 commit intoacrcloud:masterfrom

jesseditson:rpi_recognize_by_file_27_err

Commits on Jul 17, 2019

remove filter_e from call to acrcloud_extr_tool.create_fingerprint_by_file since it no longer seems to accept it
jesseditson
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