Pin python executable to python3.11 when building NEURON to avoid iss…

…ues in the macos CI

azure-pipelines.yml

@@ -155,7 +155,7 @@ stages:
         export PATH=/usr/local/opt/flex/bin:/usr/local/opt/bison/bin:$PATH;
         mkdir -p $(Build.Repository.LocalPath)/build
         cd $(Build.Repository.LocalPath)/build
-        cmake .. -DPYTHON_EXECUTABLE=$(which python3) -DCMAKE_INSTALL_PREFIX=$HOME/nmodl -DCMAKE_BUILD_TYPE=RelWithDebInfo -DNMODL_ENABLE_PYTHON_BINDINGS=OFF
+        cmake .. -DPYTHON_EXECUTABLE=$(which python3.11) -DCMAKE_INSTALL_PREFIX=$HOME/nmodl -DCMAKE_BUILD_TYPE=RelWithDebInfo -DNMODL_ENABLE_PYTHON_BINDINGS=OFF
         make -j 2
         if [ $? -ne 0 ]
         then
@@ -178,7 +178,7 @@ stages:
         mkdir nrn/build
         cd nrn/build
         cmake --version
-        cmake .. -DNRN_ENABLE_CORENEURON=ON -DNRN_ENABLE_INTERVIEWS=OFF -DNRN_ENABLE_RX3D=OFF -DNRN_ENABLE_MPI=OFF -DNRN_ENABLE_TESTS=ON -DCORENRN_ENABLE_MPI=OFF -DCORENRN_ENABLE_NMODL=ON -DCORENRN_NMODL_DIR=$HOME/nmodl -Dnmodl_PYTHONPATH=$HOME/nmodl/lib -DPYTHON_EXECUTABLE=$(which python3) -DCORENRN_NMODL_FLAGS="sympy --analytic"
+        cmake .. -DNRN_ENABLE_CORENEURON=ON -DNRN_ENABLE_INTERVIEWS=OFF -DNRN_ENABLE_RX3D=OFF -DNRN_ENABLE_MPI=OFF -DNRN_ENABLE_TESTS=ON -DCORENRN_ENABLE_MPI=OFF -DCORENRN_ENABLE_NMODL=ON -DCORENRN_NMODL_DIR=$HOME/nmodl -Dnmodl_PYTHONPATH=$HOME/nmodl/lib -DPYTHON_EXECUTABLE=$(which python3.11) -DCORENRN_NMODL_FLAGS="sympy --analytic"
         make -j 2
         if [ $? -ne 0 ]
         then