Treason is defined as betraying ones country, or overthrowing the government. I do not believe the actions spoken of qualify to be called treason. The desire to get ones nation back on track, to become strong and fiscally responsible rises to be called treason.
What Putin did, if he did anything, was to allow the truth about Podesta and the gang around HRC to be divulged to the voters before they voted.
This is not a crime, it is a public service.