Update pytest-watch requirement from >=4 to >=4.2.0

[dependabot]

Updates the requirements on pytest-watch to permit the latest version.

Changelog

Sourced from pytest-watch's changelog.

Version 4.2.0 (2018-05-20)

• Enhancement: Show timestamp before running py.test (#66 - thanks, [@​xsteve][]!)
• Enhancement: Add watch single file feature (#80 - thanks, [@​touilleMan][]!)
• Bugfix: Add more common cache directories to .gitignore
• Bugfix: Handle SystemExit also when calling _run_pytest_collect (#60 - thanks, [@​blueyed][]!)
• Bugfix: Wait for pdb if it's passed to pytest_args (#64 - thanks, [@​remcohaszing][]!)
• Bugfix: Use the same Python interpreter for pytest when ptw is run outside of an activated virtual environment (#72 - thanks, [@​jacebrowning][]!)
• Bugfix: Fix TypeError: can only concatenate tuple (not "list") to tuple
• Bugfix: Show output when pytest is interrupted on config collection (dac01e9e585176c1da55b5588bdf86c8dd016c22) and document pytest exit code (#90 - thanks, [@​asford][]!)
• Readme: Add full command-line usage
• Readme: Add README.rst for better-looking README on PyPI (#83 - thanks, [@​apast][]!)
• Readme: Remove Gratipay ☹️ (Article)
• Readme: Add Say Thanks badge 😃

Version 4.1.0 (2016-04-08)

• Enhancement: Speed up config collection
• Bugfix: Handle KeyboardInterrupt during inifile collection (fixes #52)
• Cleanup

Version 4.0.0 (2016-04-06)

• Breaking change: Re-order watch arguments
• Breaking change: Add parameterized --spool option for finer control and remove --no-spool
• Breaking change: Remove py.test.watch console script
• Enhancement: Report filesystem events on re-run (fixes #39)
• Enhancement: Allow --ext=* for watching any file type
• Enhancement: Run pytest from main thread, send KeyboardInterrupt on filesystem events, and wait for pytest to terminate before running next iteration (fixes #36)
• Enhancement: Add --pdb option, forwarding to pytest
• Enhancement: Add --wait option to wait for all tests to complete before re-running on filesystem events (fixes #21)
• Enhancement: Add --afterrun for running commands after pytest runs, regardless of whether it was interrupted (#46 - thanks, [@​blueyed][]! - and fc471a457ae334e24422f939c04be25587d6d357)
• Enhancement: Allow multiple --ignore args instead of one comma-separated list and forward them to pytest (fixes #48)
• Enhancement: Add -V as short version of --version
• Enhancement: Add --config and include <directory> list in pytest args (fixes #40)
• Enhancement: Improve config collection debuggability
• Bugfix: Fix config file collection on Python 2.6 and below (#47 - thanks, [@​lukaszb][]! - and 7f1508d908a61ade36312219d2414445e5b05686)
• Bugfix: Re-run on directory changes (fixes #44)
• Update LICENSE year
• Update README
• Cleanup

Version 3.10.0 (2016-02-12)

... (truncated)

Commits

• 2ec7d59 Set version to 4.2.0
• a84ef68 Remove create-readme-rst.sh in favor of requirements-dev.txt and a note in RE...
• b1fa4a4 Readme: Remove Gratipay and add Say Thanks badge
• dc61106 Readme: Refer to the full name as pytest-watch, not py.test.watch
• dac01e9 Show output when pytest is interrupted on config collection
• 4ed8c44 Add more common cache directories to .gitignore
• bc033b1 Allow lower docopt versions
• 84aeb68 Only stop on INI file discovery again
• f649efd Merge pull request #83 from apast/18-create-rst-readme
• 40191c5 Merge pull request #90 from asford/master
• Additional commits viewable in compare view

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