Fix run_these_lines() maps

Author: wilywampa

ftplugin/python/ipy.vim

@@ -149,7 +149,11 @@ augroup END
 noremap  <Plug>(IPython-RunFile)            :update<CR>:Python2or3 run_this_file()<CR>
 noremap  <Plug>(IPython-ImportFile)         :update<CR>:Python2or3 run_this_file('-n')<CR>
 noremap  <Plug>(IPython-RunLine)            :Python2or3 run_this_line()<CR>
-noremap  <Plug>(IPython-RunLines)           :Python2or3 run_these_lines()<CR>
+if has('python3') && get(g:, 'pymode_python', '') !=# 'python'
+    noremap <Plug>(IPython-RunLines)        :python3 run_these_lines()<CR>
+else
+    noremap <Plug>(IPython-RunLines)        :python run_these_lines()<CR>
+endif
 noremap  <Plug>(IPython-OpenPyDoc)          :Python2or3 get_doc_buffer()<CR>
 noremap  <Plug>(IPython-UpdateShell)        :Python2or3 if update_subchannel_msgs(force=True): echo("vim-ipython shell updated",'Operator')<CR>
 noremap  <Plug>(IPython-ToggleReselect)     :Python2or3 toggle_reselect()<CR>