Update conf.py

Author: mcbarton

docs/source/conf.py

@@ -15,7 +15,8 @@
                           export MAMBA_ROOT_PREFIX="/home/docs/.local/share/mamba";\
                           __mamba_setup="$("$MAMBA_EXE" shell hook --shell bash --root-prefix "$MAMBA_ROOT_PREFIX" 2> /dev/null)";\
                           alias micromamba="$MAMBA_EXE";\
-                          /bin/bash eval "$(micromamba shell hook --shell bash)";\
+                          /bin/bash -c "eval \"\$(micromamba shell hook --shell bash)\";";\
+                          exec /bin/bash;\
                           micromamba create -f environment-wasm-build.yml -y;\
                           micromamba activate xeus-cpp-wasm-build;\
                           micromamba create -f environment-wasm-host.yml --platform=emscripten-wasm32;\