Versions not picked up correctly from requirements.in when using pip-compile

[danielgblanco]

How are you running Renovate?

A Mend.io-hosted app

Which platform you running Renovate on?

GitHub.com

Which version of Renovate are you using?

42.26.4

Please tell us more about your question or problem

I'm running Renovate locally to test some changes on a branch, with the following config (not committed to repo)

module.exports = {
    platform: 'github',
    repositories: ['danielgblanco/sig-end-user'],
    baseBranchPatterns: ['avoid_prs_on_transitive_deps_test'],
    useBaseBranchConfig: 'merge',
    dryRun: 'full',
    token: 'xxxxxx',
    onboarding: false,
};

When I run this, it seems to work but when I was testing this with what I would PR to be raised, it didn't show anything in the logs. Looking through DEBUG logs I saw the problem below, where the value of this dependency is taken as ==1.104.0 so it skips it.

Later on in the logs I see the second part I see that the value is different from the versions on the pip-compile output. Is that expected?

Logs (if relevant)

Logs

DEBUG: Dependency openai has unsupported/unversioned value ==1.104.0 (versioning=regex:^v?(?<major>\d+)(\.(?<minor>\d+)\.(?<patch>\d+))?$) (repository=danielgblanco/sig-end-user, baseBranch=avoid_prs_on_transitive_deps_test)
DEBUG: Skipping openai because no currentDigest or pinDigests (repository=danielgblanco/sig-end-user, baseBranch=avoid_prs_on_transitive_deps_test)


               {
                 "depName": "openai",
                 "packageName": "openai",
                 "currentValue": "==1.104.0",
                 "datasource": "pypi",
                 "currentVersion": "1.104.0",
                 "lockedVersion": "1.104.0",
                 "updates": [],
                 "versioning": "regex:^v?(?<major>\\d+)(\\.(?<minor>\\d+)\\.(?<patch>\\d+))?$",
                 "warnings": [],
                 "skipReason": "invalid-value",
                 "fixedVersion": "1.104.0"
               },

[danielgblanco]

I managed to make it work with the following packageRules. Is that expected?

{
  matchManagers: ['pip-compile'],
  versioning: 'pep440'
}