add python settings

vim/ftplugin/python.vim

@@ -6,6 +6,8 @@ if getline(1) =~# '^#!.*python3\>'
     endif
 endif
 
-let g:ale_fixers['python'] = ['autopep8']
+let g:ale_fixers['python'] = ['black']
 let g:ale_fix_on_save = 1
 let g:pymode_run_bind = '<F5>'
+
+nmap <F8> F"if<ESC>A