Index: M2Crypto-0.27.0/setup.py
===================================================================
--- M2Crypto-0.27.0.orig/setup.py
+++ M2Crypto-0.27.0/setup.py
@@ -48,7 +48,10 @@ def _get_additional_includes():
                            stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE)
     _, err = pid.communicate()
-    err = [line.lstrip() for line in err.split('\n') if line and line[0] == ' ']
+    if sys.version_info[0] == 2:
+        err = [line.lstrip() for line in err.split('\n') if line and line[0] == ' ']
+    else:
+        err = [line.lstrip() for line in err.split(b'\n') if line and line[0] == b' ']
     return err