texplicitly refer to Base.UVError in attempt to alleviate travis-ci failure - Granular.jl - Julia package for granular dynamics simulation
 (HTM) git clone git://src.adamsgaard.dk/Granular.jl
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       ---
 (DIR) commit 6f10719ac711e7d10f5ed3f953e13c6b2f4e3a8f
 (DIR) parent 3475839403c99aad36840c8aaca9a09693611690
 (HTM) Author: Anders Damsgaard <andersd@riseup.net>
       Date:   Thu, 12 Oct 2017 15:21:54 -0400
       
       explicitly refer to Base.UVError in attempt to alleviate travis-ci failure
       
       Diffstat:
         M src/io.jl                           |       2 +-
         M test/vtk.jl                         |       4 ++--
       
       2 files changed, 3 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/src/io.jl b/src/io.jl
       t@@ -930,7 +930,7 @@ function render(simulation::Simulation; pvpython::String="pvpython",
            try
                run(`$(pvpython) $(simulation.id)/$(simulation.id).py`)
            catch return_signal
       -        if isa(return_signal, UVError)
       +        if isa(return_signal, Base.UVError)
                    error("`pvpython` was not found.")
                end
            end
 (DIR) diff --git a/test/vtk.jl b/test/vtk.jl
       t@@ -70,7 +70,7 @@ info("Testing Paraview rendering if `pvpython` is present")
        try
            run(`pvpython $(sim.id)/$(sim.id).py`)
        catch return_signal
       -    if !isa(return_signal, UVError)
       +    if !isa(return_signal, Base.UVError)
                @test isfile("$(sim.id)/$(sim.id).avi")
            end
        end
       t@@ -81,7 +81,7 @@ SeaIce.writeParaviewPythonScript(sim,
        try
            run(`pvpython $(sim.id)/$(sim.id).py`)
        catch return_signal
       -    if !isa(return_signal, UVError)
       +    if !isa(return_signal, Base.UVError)
                @test isfile("$(sim.id)/$(sim.id).0000.png")
                @test isfile("$(sim.id)/$(sim.id).0014.png")
                SeaIce.render(sim)