chore(exportable): update exception message and errors imports (#3435)

src/bentoml/_internal/exportable.py

@@ -14,6 +14,7 @@
 import fs.mirror
 import fs.opener
 import fs.tempfs
+import fs.opener.errors
 from fs import open_fs
 from fs.base import FS
 
@@ -71,7 +72,7 @@ def import_from(
     ) -> T:
         try:
             parsedurl = fs.opener.parse(path)
-        except fs.opener.errors.ParseError:  # type: ignore (FS types)
+        except fs.opener.errors.ParseError:
             if protocol is None:
                 protocol = "osfs"
                 resource: str = path if os.sep == "/" else path.replace(os.sep, "/")
@@ -93,7 +94,7 @@ def import_from(
         if protocol not in fs.opener.registry.protocols:  # type: ignore (FS types)
             if protocol == "s3":
                 raise ValueError(
-                    "Tried to open an S3 url but the protocol is not registered; did you 'pip install fs-s3fs'?"
+                    "Tried to open an S3 url but the protocol is not registered; did you 'pip install \"bentoml[aws]\"'?"
                 )
             else:
                 raise ValueError(