requirements.txt files (and by extension pipfreeze) can contain comment lines, but the stdout of pip freeze is used in a number of places with the assumption that every line contains a dependency declaration. This change adds an integration test that could trigger one of these cases that was the cause of the behaviour seen in issue #2229.
Add this suggestion to a batch that can be applied as a single commit. This suggestion is invalid because no changes were made to the code. Suggestions cannot be applied while the pull request is closed. Suggestions cannot be applied while viewing a subset of changes. Only one suggestion per line can be applied in a batch. Add this suggestion to a batch that can be applied as a single commit. Applying suggestions on deleted lines is not supported. You must change the existing code in this line in order to create a valid suggestion. Outdated suggestions cannot be applied. This suggestion has been applied or marked resolved. Suggestions cannot be applied from pending reviews. Suggestions cannot be applied on multi-line comments.