Strip line number annotations

[adamchainz]

Fixes #1074.

Changelog-friendly one-liner: Strip line number annotations such as "(line 12)" from file requirements, to prevent diff noise when modifying input requirement files.

Contributor checklist

• Provided the tests for the changes.
• Gave a clear one-line description in the PR (that the maintainers can add to CHANGELOG.md on release).
• Assign the PR to an existing or new milestone for the target version (following Semantic Versioning).

[codecov]

Codecov Report

Merging #1075 into master will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1075   +/-   ##
=======================================
  Coverage   99.51%   99.51%           
=======================================
  Files          34       34           
  Lines        2476     2478    +2     
  Branches      312      312           
=======================================
+ Hits         2464     2466    +2     
  Misses          6        6           
  Partials        6        6           

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[atugushev]

Thanks for the fix! Looks good. Sorry for the inconvenience :(

[adamchainz]

Not a problem, thanks for the maintenance!

[atugushev]

pip-tools v4.5.1 is released.