Default to python 2.7 if version string not defined
Default to python 2.7 if version string not defined

dictoon/appleseed,est77/appleseed,pjessesco/appleseed,Biart95/appleseed,pjessesco/appleseed,Aakash1312/appleseed,aytekaman/appleseed,aiivashchenko/appleseed,aytekaman/appleseed,docwhite/appleseed,Aakash1312/appleseed,dictoon/appleseed,glebmish/appleseed,aiivashchenko/appleseed,dictoon/appleseed,est77/appleseed,docwhite/appleseed,dictoon/appleseed,Aakash1312/appleseed,docwhite/appleseed,appleseedhq/appleseed,gospodnetic/appleseed,est77/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,pjessesco/appleseed,aytekaman/appleseed,Biart95/appleseed,est77/appleseed,aytekaman/appleseed,Vertexwahn/appleseed,gospodnetic/appleseed,luisbarrancos/appleseed,aytekaman/appleseed,luisbarrancos/appleseed,Aakash1312/appleseed,Biart95/appleseed,gospodnetic/appleseed,Vertexwahn/appleseed,appleseedhq/appleseed,Vertexwahn/appleseed,glebmish/appleseed,glebmish/appleseed,luisbarrancos/appleseed,Vertexwahn/appleseed,pjessesco/appleseed,gospodnetic/appleseed,appleseedhq/appleseed,Biart95/appleseed,glebmish/appleseed,dictoon/appleseed,luisbarrancos/appleseed,Biart95/appleseed,docwhite/appleseed,appleseedhq/appleseed,aiivashchenko/appleseed,luisbarrancos/appleseed,gospodnetic/appleseed,aiivashchenko/appleseed,aiivashchenko/appleseed,Aakash1312/appleseed,appleseedhq/appleseed,docwhite/appleseed,glebmish/appleseed,est77/appleseed