tiny-dnn: fix with_tbb=True + modernize

[SpaceIm]

might be a good idea to wait merge of #9164 before merging this one.

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All green in build 1 (cc21b56602ccb02b7fb2081687f2849f7e4fc7f8):

• tiny-dnn/cci.20201023@:
  All packages built successfully! (All logs)