strip macro line numbers

src/backend/mxnet/graph.jl

@@ -91,6 +91,7 @@ end
 # Error Handling
 
 using Juno
+using MacroTools: @q
 Juno.errmsg(e::mx.MXError) = e.msg
 
 function errnode(e::mx.MXError)
@@ -102,12 +103,12 @@ end
 striptrace(e::mx.MXError) = mx.MXError(split(e.msg, "\n")[1])
 
 macro mxerr(stk, ex)
-  :(try
+  @q try
     $(esc(ex))
   catch e
     (isa(e, mx.MXError) && (node = errnode(e)) != nothing) || rethrow()
     stk = $(esc(stk))
     haskey(stk, node) || rethrow()
     throw(Exception(striptrace(e), totrace(stk[node])))
-    end)
+  end
 end