Make is_property a private function. Remove some trailing whitespaces.

2 files changed, 9 insertions, 12 deletions

diff --git a/astroid/bases.py b/astroid/bases.py
index 3942ef5..321804f 100644
--- a/astroid/bases.py
+++ b/astroid/bases.py
@@ -36,21 +36,18 @@ else:
     BUILTINS = '__builtin__'
 PROPERTIES = {BUILTINS + '.property', 'abc.abstractproperty'}
 # List of possible property names. We use this list in order
-# to see (fast) if a method is a property or not. This should be
+# to see if a method is a property or not. This should be
 # pretty reliable and fast, the alternative being to check each
-# decorator to see if its a property a not, but that is too
-# complicated and can be error prone.
+# decorator to see if its a real property-like descriptor, which
+# can be too complicated.
 # Also, these aren't qualified, because each project can
 # define them, we shouldn't expect to know every possible
 # property-like decorator!
-POSSIBLE_PROPERTIES = {"cached_property",
-                       "cachedproperty",
-                       "lazyproperty",
-                       "lazyproperty",
-                       "reify"}
+POSSIBLE_PROPERTIES = {"cached_property", "cachedproperty",
+                       "lazyproperty", "lazyproperty", "reify"}
 
 
-def is_property(meth):
+def _is_property(meth):
     if PROPERTIES.intersection(meth.decoratornames()):
         return True
     stripped = {name.split(".")[-1] for name in meth.decoratornames()}
@@ -226,7 +223,7 @@ class Instance(Proxy):
         """wrap bound methods of attrs in a InstanceMethod proxies"""
         for attr in attrs:
             if isinstance(attr, UnboundMethod):
-                if is_property(attr):
+                if _is_property(attr):
                     for infered in attr.infer_call_result(self, context):
                         yield infered
                 else:
diff --git a/astroid/tests/unittest_nodes.py b/astroid/tests/unittest_nodes.py
index d992e0a..bb1f578 100644
--- a/astroid/tests/unittest_nodes.py
+++ b/astroid/tests/unittest_nodes.py
@@ -508,14 +508,14 @@ class BoundMethodNodeTest(unittest.TestCase):
         reified = cls.reified
         not_prop = cls.not_prop
         ''')
-        for prop in ('builtin_property', 'abc_property', 'cached_p', 'reified'):            
+        for prop in ('builtin_property', 'abc_property', 'cached_p', 'reified'):
             infered = next(ast[prop].infer())
             self.assertIsInstance(infered, nodes.Const, prop)
             self.assertEqual(infered.value, 42, prop)
 
         infered = next(ast['not_prop'].infer())
         self.assertIsInstance(infered, bases.BoundMethod)
-        
+
 
 if __name__ == '__main__':
     unittest.main()