coverage == 4.4.1 ; python_version == '2.6'
coverage == 4.5.4 ; python_version == '3.3' or python_version == '3.4'
coverage == 5.5 ; python_version == '2.7' or python_version == '3.5' or python_version == '3.6'
coverage == 6.5.0 ; python_version == '3.7'
coverage == 7.3.0 ; python_version >= '3.8'
