pytest installation is broken about aiidalab HOT 7 CLOSED

As an immediate work-around it is possible to simply execute pip install pytest-tornasync --no-deps and pytest should function as expected in most scenarios.

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The bug was introduced with 3f4f4ff .

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The bug was introduced with aiidalab/aiidalab@3f4f4ff .

@csadorf do you have an idea of what exactly caused this bug?

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pytest-tornasync wasn't installed before this PR.

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@yakutovicha I'm still investigating, however the problem is not that we changed our requirements with respect to pytest-tornasync, the problem is that it is somehow registered as a pytest plugin, but not actually installed. And we can't properly install it due to our tornado restriction.

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The issue can be resolved by reverting the change to the jupyter_server requirement:

diff --git a/requirements.txt b/requirements.txt
index e12e513..1498fba 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -103,7 +103,7 @@ jsonextended==0.7.11
 jsonschema==3.2.0
 jupyter-client==6.1.7
 jupyter-core==4.6.3
-jupyter-server==1.0.4
+jupyter-server==0.1.1
 jupyterlab-pygments==0.1.2
 jupyterlab-server==1.3.0rc0
 jupyterlab==2.3.0a0

The issue is likely caused by the following commit on the jupyter_server repository: jupyter-server/jupyter_server@45742d9
I assume that jupyter_server version 0.2.1 is probably safe.

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Adress when the CasperWA/voila-optimade-client#183 issue is fixed.

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