fix precompilation issue

LICENSE

@@ -1,7 +1,5 @@
 MIT License
 
-Copyright (c) 2018 Bogumił Kamiński
-
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights

Project.toml

@@ -1,7 +1,7 @@
 name = "SimpleHypergraphs"
 uuid = "aa4a32ff-dd5d-5357-90e3-e7a9512f0501"
 authors = ["Przemysław Szufel <[email protected]>", "Bogumił Kamiński <[email protected]>", "Carmine Spagnuolo <[email protected]>", "Alessia Antelmi <[email protected]>"]
-version = "0.1.7"
+version = "0.1.8"
 
 [deps]
 Conda = "8f4d0f93-b110-5947-807f-2305c1781a2d"

src/SimpleHypergraphs.jl

@@ -31,6 +31,7 @@ export draw
 
 const hnx = PyNULL()
 const nx = PyNULL()
+const pynull = PyNULL()
 
 
 function __init__()
@@ -47,9 +48,13 @@ function __init__()
 		@warn "Python HyperNetX not found. Plotting functionality will not work."
 		plot_ok = false
 	end
-	@eval const support_hypernetx = $plot_ok
 end
 
+function support_hypernetx()
+    return ((SimpleHypergraphs.nx !=  SimpleHypergraphs.pynull) &&
+           (SimpleHypergraphs.hnx !=  SimpleHypergraphs.pynull))
+
+end
 
 include("hypergraph.jl")
 include("bipartite.jl")

src/viz/drawing.jl

@@ -200,7 +200,7 @@ function draw(
         with_node_labels::Bool=true,
         label_alpha::Float64=.35
         )
-	if (!SimpleHypergraphs.support_hypernetx)
+	if (!SimpleHypergraphs.support_hypernetx())
 		throw("HyperNetX is not installed in Python used by this Julia. Install HyperNetX and reload SimpleHypergraphs.jl")
 	end
 

test/runtests.jl

@@ -351,7 +351,7 @@ end
 
 @testset "SimpleHypergraphs hypernetx bridge" begin
 
-	if (!SimpleHypergraphs.support_hypernetx)
+	if (!SimpleHypergraphs.support_hypernetx())
 		@warn "HyperNetX is not installed. Skipping hypernetx tests"
 		return
 	end