test: Fix a python double-space

diff --git a/src/test/ntor_ref.py b/src/test/ntor_ref.py
index 204f05e2ad229cc120b031db101509e2ec174e9e..3e642eb257e8f3927144c3f73fbf70f4efb0c83a 100755 (executable)
--- a/src/test/ntor_ref.py
+++ b/src/test/ntor_ref.py
@@ -99,7 +99,7 @@ else:
    def int2byte(i):
       return bytes([i])
 
-def  kdf_rfc5869(key, salt, info, n):
+def kdf_rfc5869(key, salt, info, n):
 
     prk = HMAC(key=salt, msg=key)