Remove redundant hasattr checks

setup.py

@@ -214,8 +214,7 @@ or with the pg_config option in 'setup.cfg'.
 
         # Support unicode paths, if this version of Python provides the
         # necessary infrastructure:
-        if sys.version_info[0] < 3 \
-                and hasattr(sys, 'getfilesystemencoding'):
+        if sys.version_info[0] < 3:
             pg_config_path = pg_config_path.encode(
                 sys.getfilesystemencoding())
 

tests/testutils.py

@@ -32,37 +32,8 @@ from functools import wraps
 from testconfig import dsn, repl_dsn
 
 
-if hasattr(unittest, 'skipIf'):
-    skip = unittest.skip
-    skipIf = unittest.skipIf
-
-else:
-    import warnings
-
-    def skipIf(cond, msg):
-        def skipIf_(f):
-            @wraps(f)
-            def skipIf__(self):
-                if cond:
-                    with warnings.catch_warnings():
-                        warnings.simplefilter('always', UserWarning)
-                        warnings.warn(msg)
-                    return
-                else:
-                    return f(self)
-            return skipIf__
-        return skipIf_
-
-    def skip(msg):
-        return skipIf(True, msg)
-
-    def skipTest(self, msg):
-        with warnings.catch_warnings():
-            warnings.simplefilter('always', UserWarning)
-            warnings.warn(msg)
-        return
-
-    unittest.TestCase.skipTest = skipTest
+skip = unittest.skip
+skipIf = unittest.skipIf
 
 # Silence warnings caused by the stubbornness of the Python unittest
 # maintainers