diff -up src/cysignals/signals.pxd.orig src/cysignals/signals.pxd
--- src/cysignals/signals.pxd.orig	2018-04-17 06:09:44.000000000 -0600
+++ src/cysignals/signals.pxd	2018-05-19 15:21:19.591334451 -0600
@@ -16,7 +16,7 @@
 #*****************************************************************************
 
 # Auto-generated file setting the correct include directories
-cimport cysignals.__init__
+import cysignals.__init__
 from libc.signal cimport sig_atomic_t