Ned Batchelder

*Original comment by* **Samuel Colvin (Bitbucket: [samuelcolvin](https://bitbucket.org/samuelcolvin), GitHub: [samuelcolvin](https://github.com/samuelcolvin))** ---------------------------------------- looks like you don't have redis installed.

I tried running your scenario, and did not get the error you describe. The full output is here: https://gist.github.com/nedbat/a482ea69fa509de5e0a7c3da8f378e4b The test run ends with: ``` tests/test_worker.py ✓✓✓✓✓✓✓✓✓✓✓ 100% ██████████ ----------...

*Original comment by* **Samuel Colvin (Bitbucket: [samuelcolvin](https://bitbucket.org/samuelcolvin), GitHub: [samuelcolvin](https://github.com/samuelcolvin))** ---------------------------------------- Same error with `hg clone ... setup.py install` I'm afraid: ``` ... INTERNALERROR> File "/home/samuel/code/arq/env/lib/python3.5/site-packages/pytest_cov/engine.py", line 150, in finish INTERNALERROR>...

@samuelcolvin Sorry, I haven't started digging into this. It does sounds a lot like the fix I put in 4.2, so I will have to look at it soon. Have...

*Original comment by* **Samuel Colvin (Bitbucket: [samuelcolvin](https://bitbucket.org/samuelcolvin), GitHub: [samuelcolvin](https://github.com/samuelcolvin))** ---------------------------------------- Any update on this? I'm currently having to choose between coverage and running some tests.

@joshfriend can you give us specific instructions to reproduce what you are seeing, even if it's cloning your full project?

Feel free to re-open if you get more information.

@joshfriend Thanks for still trying. One way to get more information is to run with coverage debugging. You can add this to your configuration file: ``` [run] debug = process,...

Thanks. Does this include the "dataop" setting, and is it the full log (other than "...snip...")? I've added another debug message to coverage master, if you could run it again...

You can solve this yourself today by adding this to your .coveragerc file: ``` [report] exclude_lines = pragma: no cover if TYPE_CHECKING: ``` More details about this setting are here:...