break out earlier if working gui not found (possibly related to Julia…

…Py#15)
dhoegh · Sep 13, 2013 · be1dc2c · be1dc2c
1 parent 7c59b3e
commit be1dc2c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/PyPlot.jl b/src/PyPlot.jl
@@ -41,7 +41,7 @@ end
 const backend, gui = begin
     const gui2matplotlib = [ :wx=>"WXAgg", :gtk=>"GTKAgg", :qt=>"Qt4Agg" ]
     try
-        local gui::Symbol
+        local gui::Symbol = :none
         if PyCall.gui == :default
             # try to ensure that GUI both exists and has a matplotlib backend
             for g in (:qt, :wx, :gtk)
@@ -58,6 +58,9 @@ const backend, gui = begin
                     end
                 end
             end
+            if gui == :none
+                error("no gui found") # go to catch clause below
+            end
         else
             gui = pygui()
             matplotlib[:use](gui2matplotlib[gui])