Revert one file from D47572284

Reviewed By: IanChilds

Differential Revision: D47695457

fbshipit-source-id: 08b5fdb206df1ac1f77569db0aeeef0622e5ec86

prelude/utils/utils.bzl

@@ -74,7 +74,7 @@ def expect_non_none(val, msg: str = "unexpected none", *fmt_args, **fmt_kwargs):
         fail(msg.format(*fmt_args, **fmt_kwargs))
     return val
 
-def from_named_set(srcs: [{str: ["artifact", Dependency]}, [["artifact", Dependency]]]) -> {str: ["artifact", Dependency]}:
+def from_named_set(srcs: [{str: ["artifact", "dependency"]}, [["artifact", "dependency"]]]) -> {str: ["artifact", "dependency"]}:
     """
     Normalize parameters of optionally named sources to a dictionary mapping
     names to sources, deriving the name from the short path when it's not