Stop testing on Julia 0.4

.travis.yml

@@ -3,7 +3,6 @@ os:
   - linux
   - osx
 julia:
-  - 0.4
   - 0.5
   - nightly
 notifications:

test/dirichletmultinomial.jl

@@ -46,9 +46,9 @@ d = DirichletMultinomial(10, 5)
 
 for x in (2 * ones(5), [1, 2, 3, 4, 0], [3.0, 0.0, 3.0, 0.0, 4.0], [0, 0, 0, 0, 10])
     @test pdf(d, x) ≈
-        @compat factorial(d.n) * gamma(d.α0) / gamma(d.n + d.α0) * prod(gamma.(d.α + x) ./ factorial.(x) ./ gamma.(d.α))
+        factorial(d.n) * gamma(d.α0) / gamma(d.n + d.α0) * prod(gamma.(d.α + x) ./ factorial.(x) ./ gamma.(d.α))
     @test logpdf(d, x) ≈
-        @compat log(factorial(d.n)) + lgamma(d.α0) - lgamma(d.n + d.α0) + sum(lgamma.(d.α + x) - log.(factorial.(x)) - lgamma.(d.α))
+        log(factorial(d.n)) + lgamma(d.α0) - lgamma(d.n + d.α0) + sum(lgamma.(d.α + x) - log.(factorial.(x)) - lgamma.(d.α))
 end
 
 # test Sampling

test/runtests.jl

@@ -53,12 +53,6 @@ res = pmap(tests) do t
     nothing
 end
 
-# in v0.4, pmap returns the exception, but doesn't throw it, so we need
-# to test and rethrow
-if VERSION < v"0.5.0-"
-    map(x -> isa(x, Exception) ? throw(x) : nothing, res)
-else
-    # print method ambiguities
-    println("Potentially stale exports: ")
-    display(Base.Test.detect_ambiguities(Distributions))
-end
+# print method ambiguities
+println("Potentially stale exports: ")
+display(Base.Test.detect_ambiguities(Distributions))