Update python-dotenv requirement from <0.19,>=0.17 to >=0.17,<0.20

[dependabot]

Updates the requirements on python-dotenv to permit the latest version.

Release notes

Sourced from python-dotenv's releases.

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).

Changelog

Sourced from python-dotenv's changelog.

[0.19.0] - 2021-07-24

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]).

[0.18.0] - 2021-06-20

Changed

• Raise ValueError if quote_mode isn't one of always, auto or never in set_key (#330 by [@​bbc2]).
• When writing a value to a .env file with set_key or dotenv set <key> <value> (#330 by [@​bbc2]):
  • Use single quotes instead of double quotes.
  • Don't strip surrounding quotes.
  • In auto mode, don't add quotes if the value is only made of alphanumeric characters (as determined by string.isalnum).

[0.17.1] - 2021-04-29

Fixed

• Fixed tests for build environments relying on PYTHONPATH (#318 by [@​befeleme]).

[0.17.0] - 2021-04-02

Changed

• Make dotenv get <key> only show the value, not key=value (#313 by [@​bbc2]).

Added

• Add --override/--no-override option to dotenv run (#312 by [@​zueve] and [@​bbc2]).

[0.16.0] - 2021-03-27

Changed

• The default value of the encoding parameter for load_dotenv and dotenv_values is now "utf-8" instead of None (#306 by [@​bbc2]).

... (truncated)

Commits

• b043829 Release version 0.19.0
• 134ed43 Allow any text stream (IO[str]) as stream
• 955e2a4 Enable checking of "untyped defs" and fix types
• f5d0c54 Enable the use of Mypy 0.900+
• 28dbb23 Fix documentation of dotenv set
• b8fdfba Replace Text with str
• 4590015 Use Python 3 type hints for functions
• 1914bac Remove typing guards
• 4617e39 Remove unnecessary future imports
• 9292074 Remove "coding: utf-8" source declarations
• Additional commits viewable in compare view

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[codecov-commenter]

Codecov Report

Merging #15 (cb7db37) into main (9f63009) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main      #15   +/-   ##
=======================================
  Coverage   50.57%   50.57%           
=======================================
  Files          11       11           
  Lines         261      261           
  Branches       23       23           
=======================================
  Hits          132      132           
  Misses        125      125           
  Partials        4        4