Section 35. Any person who is knowingly present at a place where heroin is kept or deposited in violation of the provisions of this chapter, or any person who is in the company of a person, knowing that said person is in possession of heroin in violation of the provisions of this chapter, shall be punished by imprisonment for not more than one year or by a fine of not more than one thousand dollars, or both; provided, however, that the provisions of the third paragraph of section thirty-four relative to probation sealing of the records and repeated violations shall apply to him.