Merge pull request #543 from JuliaSymbolics/revert-542-return_tuples

Revert "Included dispatch to toexpr that creates Tuples correctly"

Author: shashi

src/code.jl

@@ -188,10 +188,6 @@ function toexpr(O, st)
     end
 end
 
-function toexpr(O::Tuple, st)
-    :(($(toexpr.(O, (st,))...),))
-end
-
 # Call elements of vector arguments by their name.
 @matchable struct DestructuredArgs
     elems

test/code.jl

@@ -183,8 +183,6 @@ nanmath_st.rewrites[:nanmath] = true
               :(SparseVector(10, $(spvec.nzind), [a])))
     test_repr(toexpr(MakeTuple((a, b, a+b))),
               :((a,b,$(+)(a,b))))
-    test_repr(toexpr((a, b, a+b)),
-              :((a,b,$(+)(a,b))))
 
     @test SpawnFetch{Multithreaded}([()->1,()->2],vcat)|>toexpr|>eval == [1,2]
     @test @elapsed(SpawnFetch{Multithreaded}([:(()->sleep(2)),