Version 0.19.0

Changed

• Require Python 3.5 or a later version. Python 2 and 3.4 are no longer supported. (#341 by @bbc2).

Added

• The dotenv_path argument of set_key and unset_key now has a type of Union[str, os.PathLike] instead of just os.PathLike (#347 by @bbc2).
• The stream argument of load_dotenv and dotenv_values can now be a text stream (IO[str]), which includes values like io.StringIO("foo") and open("file.env", "r") (#348 by @bbc2).