test: replace readfp() with read_file()

ConfigParser.readfp() has been deprecated since Python 3.2 and was
dropped completely in Python 3.11.

diff --git a/test/sysv-generator-test.py b/test/sysv-generator-test.py
index 1fe4153abc40cc0c6d06f9d621269566203275f1..24fafbaaa49cce5682f93f05707072c1743b1153 100755 (executable)
--- a/test/sysv-generator-test.py
+++ b/test/sysv-generator-test.py
@@ -82,7 +82,7 @@ class SysvGeneratorTest(unittest.TestCase):
                 cp = RawConfigParser(dict_type=MultiDict)
             cp.optionxform = lambda o: o  # don't lower-case option names
             with open(service) as f:
-                cp.readfp(f)
+                cp.read_file(f)
             results[os.path.basename(service)] = cp
 
         return (err, results)