old_contents: # -*- coding: utf-8 -*-
  from py_zipkin.zipkin import create_http_headers_for_new_span \
      as create_headers_for_new_span    # pragma: no cover
  
new_contents: # -*- coding: utf-8 -*-
  from py_zipkin.zipkin import create_http_headers_for_new_span    # pragma: no cover
  
  
  # Backwards compatibility for places where pyramid_zipkin is unpinned
  create_headers_for_new_span = create_http_headers_for_new_span    # pragma: no cover
  
subject: Split import into 2 lines to make flake8 happy