gh: Try to fix chart tests

.github/workflows/chart-tests.yml

@@ -36,11 +36,9 @@ jobs:
         run: |
           echo "::group::Installing packages"
           sudo apt update
-          sudo apt install -y --no-install-recommends git wget curl ca-certificates \
+          sudo apt install -y --no-install-recommends git wget curl ca-certificates python3 \
             make ccache clang lld gdb bison flex perl doxygen graphviz libxml2-dev zlib1g-dev \
-            libavcodec-dev libavformat-dev libavutil-dev libswresample-dev libz3-dev libopenscenegraph-dev \
-            python3 python3-pip python3-pandas python3-numpy python3-matplotlib \
-            python3-scipy python3-seaborn python3-posix-ipc
+            libavcodec-dev libavformat-dev libavutil-dev libswresample-dev libz3-dev libopenscenegraph-dev
           echo "::endgroup::"
 
           source $GITHUB_WORKSPACE/inet/_scripts/github/build-omnetpp.sh
@@ -50,7 +48,7 @@ jobs:
           echo "::endgroup::"
 
           echo "::group::Installing Python packages"
-          python3 -m pip install --upgrade matplotlib numpy pandas scipy ipython cppyy sewar dask distributed IPython optimparallel
+          python3 -m pip install --upgrade matplotlib numpy pandas seaborn scipy ipython posix-ipc cppyy sewar dask distributed optimparallel
           echo "::endgroup::"
 
           source $GITHUB_WORKSPACE/inet/_scripts/github/build-inet.sh