message: Change to version 'v2.1.1'
diff: @@ -42,7 +42,7 @@ message(STATUS "Python include: ${PYTHON_INCLUDE_DIR}")
  set(PYBIND11_GIT_URL "https://github.com/pybind/pybind11.git" CACHE STRING "URL to the Pybind11 repo")
  ExternalProject_Add(pybind11
  GIT_REPOSITORY ${PYBIND11_GIT_URL}
  - GIT_TAG v2.1.0
  + GIT_TAG "v2.1.1"
  CONFIGURE_COMMAND ""
  BUILD_COMMAND ""
  INSTALL_COMMAND "")
  