Fixing what I think is a bug in the Pyclif documentation.

I'm pretty sure that
from x.y.z as *
isn't a thing and that
from x.y.z import * was intended. Relying on the reviewer who wrote that line to correct me if I am wrong.

PiperOrigin-RevId: 550763782

clif/python/primer.md

@@ -114,7 +114,7 @@ from some.place import _mylib as ext
 and/or (!)
 
 ```python
-from some.place._mylib as *  # pylint: disable=wildcard-import
+from some.place._mylib import *  # pylint: disable=wildcard-import
 ```
 
 The second form may be preferable if `_mylib` wraps many functions or types,