From 1b2c0422c4c4dfc91b5e8b73fc3f6e0b3519f7d0 Mon Sep 17 00:00:00 2001
From: Dustin Arendt <dustin.arendt@pnnl.gov>
Date: Fri, 24 Jan 2020 16:02:08 -0800
Subject: [PATCH] Bug fix for hyp-110: prevents edge labels from disappearing

---
 hypernetx/drawing/rubber_band.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hypernetx/drawing/rubber_band.py b/hypernetx/drawing/rubber_band.py
index 2201736e..1e080c75 100644
--- a/hypernetx/drawing/rubber_band.py
+++ b/hypernetx/drawing/rubber_band.py
@@ -421,6 +421,9 @@ def draw(H,
     node_radius = {v: np.sqrt(a0*(len(v) if type(v) == frozenset else 1)/np.pi)
                    for v in H.nodes}
 
+    # for convenience, we are using setdefault to mutate the argument
+    # however, we need to copy this to prevent side-effects
+    edges_kwargs = edges_kwargs.copy()
     edges_kwargs.setdefault('edgecolors', plt.cm.tab10(np.arange(len(H.edges))%10))
     edges_kwargs.setdefault('facecolors', 'none')