try pinning python-language-server and ipython for now

Author: bollwyvl

requirements/github-actions.yml

@@ -11,7 +11,6 @@ dependencies:
   - nodejs {nodejs}
   # for python language server (and development)
   - flake8 >=3.5
-  - python-language-server
   # for R language server and kernel
   # TODO: try r 4.0 soon
   - r <4
@@ -36,5 +35,7 @@ dependencies:
   - geckodriver
   - robotframework >=3.2
   - robotframework-seleniumlibrary
-  # TODO: remove when jedi vs IPython is resolved
+  # TODO: remove when jedi vs IPython vs python-langauge-server is resolved
   - jedi <0.18
+  - python-language-server ==0.36.2
+  - ipython <7.20