fix requirement for legacy_lightsim2grid, add a test with pandapower version 2.14.9 which breaks lightsim 0.5.3

Author: BDonnot

.circleci/config.yml

@@ -163,6 +163,33 @@ jobs:
                    cd /tmp
                    grid2op.testinstall
 
+    legacy_lightsim_old_pp:               
+        executor: python38  # needs to be 38: whl of lightsim were not released for 3.10 at the time
+        resource_class: small
+        steps:
+            - checkout
+            - run: 
+                command: |
+                    apt-get update
+                    apt-get install -y coinor-cbc
+            - run: python -m pip install virtualenv
+            - run: python -m virtualenv venv_test
+            - run:
+               command: |
+                   source venv_test/bin/activate
+                   python -m pip install -U pip setuptools wheel
+                   python -m pip install -U lightsim2grid==0.5.3 gymnasium "numpy<1.22" "pandapower<2.14.9"
+            - run:
+               command: |
+                   source venv_test/bin/activate
+                   python -m pip install -e .
+                   pip freeze
+            - run:
+                command: |
+                   source venv_test/bin/activate
+                   export _GRID2OP_FORCE_TEST=1
+                   python -m unittest grid2op/tests/test_basic_env_ls.py
+
     legacy_lightsim:               
         executor: python38  # needs to be 38: whl of lightsim were not released for 3.10 at the time
         resource_class: small
@@ -178,7 +205,7 @@ jobs:
                command: |
                    source venv_test/bin/activate
                    python -m pip install -U pip setuptools wheel
-                   python -m pip install -U lightsim2grid==0.5.3 gymnasium "numpy<1.22"
+                   python -m pip install -U lightsim2grid==0.6.0 gymnasium
             - run:
                command: |
                    source venv_test/bin/activate
@@ -340,6 +367,7 @@ workflows:
     test:
         jobs:
           - test
+          - legacy_lightsim_old_pp
           - legacy_lightsim
     install:
         jobs: