BUG: only start comm if IJulia is inited closes #181

JuliaPlots · Feb 27, 2018 · 99b98f9 · 99b98f9
1 parent 03207e1
commit 99b98f9
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/src/displays/ijulia.jl b/src/displays/ijulia.jl
@@ -222,12 +222,13 @@ prependtraces!(jd::JupyterDisplay, update::Associative=Dict(),
 # --------------------------------------------- #
 
 @require IJulia begin
-    init_notebook()
+    import IJulia
     using IJulia.send_comm  # needed for _call_js above to work
-
-    # set up the comms we will use to send js messages to be executed
-    global const _ijulia_eval_comm = Ref(IJulia.CommManager.Comm(:plotlyjs_eval))
-    global const _ijulia_return_comms = ObjectIdDict()
+    global const _ijulia_eval_comm = Ref{IJulia.CommManager.Comm{:plotlyjs_eval}}()
+    if IJulia.inited
+        _ijulia_eval_comm[] = IJulia.CommManager.Comm(:plotlyjs_eval)
+    end
+    init_notebook()
 
     function IJulia.display_dict(p::JupyterPlot)
         if p.view.displayed