Fixing PETSC installation

install

@@ -237,9 +237,10 @@ if [ ! -d "$i_dir/PETSC" -o ! -d "$i_dir/EIGEN" ]; then
     else
       # we check that python is python2
       py_ver=$(python --version 2>&1 | grep Python | sed 's/.*\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\)/\1/g')
-
+      
       if [ $py_ver -eq 3 ]; then
         # we have to install python2
+	echo -e "\033[1mPETSC require python2 installed, searching a solution to install python2 ... \033[0m"
         solve_python $platform
       fi
       python_command=python