Merge pull request #952 from JuliaAI/1-1-0

bump 1.1.0

Author: ablaom

Project.toml

@@ -1,7 +1,7 @@
 name = "MLJBase"
 uuid = "a7f614a8-145f-11e9-1d2a-a57a1082229d"
 authors = ["Anthony D. Blaom <anthony.blaom@gmail.com>"]
-version = "1.0.1"
+version = "1.1.0"
 
 [deps]
 CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"

src/machines.jl

@@ -218,8 +218,9 @@ function check(model::Model, scitype_check_level, args...)
         return is_okay
     end
 
-    # we use `elscitype` here instead of `scitype` because the data is
-    # wrapped in source nodes:
+    # Sometimes (X, ) is a table, when X is a table, which leads to scitype((X,)) =
+    # Table(...) where `Tuple{scitype(X)}` is wanted.  Also, we use `elscitype` here
+    # instead of `scitype` because the data is wrapped in source nodes;
     S = Tuple{elscitype.(args)...}
     if !(S <: F)
         is_okay = false