#38 Change environment.yml to use another one closer to the suggestion of...

#38 Change environment.yml to use another one closer to the suggestion of Xeus-cling. They don't use the line about gcc but it's a suggesion of Nicolas Thierry in https://github.com/jupyter-xeus/xeus-cling/issues/413.

environment.yml

@@ -2,7 +2,6 @@ name: training_cpp_2021
 channels:
   - conda-forge
 dependencies:
-  - python>=3.8
-  - jupyterlab
-  - xeus-cling 
-  
+  - notebook
+  - xeus-cling=0.13.0
+  - gcc=9.4.0
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