pillow can be involved

tomvanmele · tomvanmele · commit f08d297dae82 · 2019-03-04T14:10:34.000+01:00
diff --git a/requirements.txt b/requirements.txt
@@ -3,7 +3,7 @@ matplotlib
 networkx
 numba
 numpy
-# pillow
+pillow
 planarity
 scipy
 sympy
