Index: src/python.cmake
===================================================================
--- src/python.cmake	(date 1570594392000)
+++ src/python.cmake	(date 1570594473610)
@@ -4,8 +4,8 @@

 if(VERA_USE_SYSTEM_PYTHON)
   set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
-  find_package(PythonInterp 2.0)
-  find_package(PythonLibs 2.0)
+  find_package(PythonInterp 3.8)
+  find_package(PythonLibs 3.8)
   if(WIN32 AND NOT PYTHONLIBS_FOUND)
     message(FATAL_ERROR "Could NOT find Python. Turn VERA_USE_SYSTEM_PYTHON to OFF to build it with vera++.")
   endif()
Index: src/boost.cmake
===================================================================
--- src/boost.cmake	(date 1570594392000)
+++ src/boost.cmake	(date 1570594473565)
@@ -8,7 +8,16 @@

 set(boostLibs filesystem system program_options regex wave)
 if(VERA_PYTHON)
-  list(APPEND boostLibs python)
+  # Note that Boost Python components require a Python version
+  # suffix (Boost 1.67 and later), e.g. python36 or python27 for
+  # the versions built against Python 3.6 and 2.7, respectively.
+  # This also applies to additional components using Python
+  # including mpi_python and numpy. Earlier Boost releases may use
+  # distribution-specific suffixes such as 2, 3 or 2.7. These may also
+  # be used as suffixes, but note that they are not portable.
+  #
+  # from https://cmake.org/cmake/help/latest/module/FindBoost.html
+  list(APPEND boostLibs python38)
 endif()

 if(VERA_USE_SYSTEM_BOOST)
@@ -35,6 +44,7 @@
   set(SOURCEFORGE downloads.sourceforge.net CACHE STRING
     "Sourceforge host used to download external projects. Use it to force a specific mirror.")
   mark_as_advanced(SOURCEFORGE)
+  string(REPLACE "python38" "python" boostLibs "${boostLibs}")
   string(REPLACE ";" "," boostLibsComma "${boostLibs}")
   string(REPLACE ";" " --with-" WITH_LIBS "${boostLibs}")
   set(WITH_LIBS "--with-${WITH_LIBS}")
--- src/plugins/python/PythonInterpreter.cpp	2015-01-22 13:28:22.000000000 +0300
+++ src/plugins/python/PythonInterpreter.cpp.new	2019-11-04 00:28:29.895059200 +0300
@@ -133,8 +133,17 @@
 {
     try
     {
-        PyImport_AppendInittab("vera", initvera);
-        Py_Initialize();
+        // Note: Boost Python (as of ver 1.69) does not support Py_Finalize().
+        // Thus, a previous call to this method may have already
+        // initialized python.
+        // See Boost Python documentation for more information:
+        // https://www.boost.org/doc/libs/1_69_0/libs/python/doc/html/
+        // tutorial/tutorial/embedding.html
+        if (not Py_IsInitialized())
+        {
+          PyImport_AppendInittab("vera", PyInit_vera);
+          Py_Initialize();
+        }
 
         py::object main_module = py::import("__main__");
         py::object main_namespace = main_module.attr("__dict__");
@@ -158,7 +167,6 @@
         py::str formatted = py::str("").join(formatted_list).strip();
         throw std::runtime_error(py::extract<std::string>(formatted));
     }
-    Py_Finalize();
 }
 
 }