class Guard::RSpec::Inspectors::BaseInspector

def _clean(paths)

Leave only spec/feature files from spec_paths, remove others 
def _clean(paths)
  paths.uniq!
  paths.compact!
  spec_dirs = _select_only_spec_dirs(paths)
  spec_files = _select_only_spec_files(paths)
  (spec_dirs + spec_files).uniq
end