--- a/tests/heredoctest.py	Sat Oct 05 10:29:34 2019 -0400
+++ b/tests/heredoctest.py	Sun Oct 06 09:45:02 2019 -0400
@@ -2,10 +2,12 @@
 
 import sys
 
+
 def flush():
     sys.stdout.flush()
     sys.stderr.flush()
 
+
 globalvars = {}
 lines = sys.stdin.readlines()
 while lines: