Improve SyntaxError message for import a as b.c #123539
Description
Feature or enhancement
Right now it shows:
>>> import a as b.c
File "<unknown>", line 1
import a as b.c
^
SyntaxError: invalid syntaxProposed message:
>>> import a as b.c
File "<unknown>", line 1
import a as b.c
^^^
SyntaxError: cannot use import statement with attributeRefs #123440
I have a PR ready.