sync from Atlas repo

classes/vector_v4.py

@@ -201,12 +201,12 @@ class Vector:
     shortcut_names = 'xyzt'
 
     def __getattr__(self, name):
-        cls = type(self)  # <1>
-        if len(name) == 1:  # <2>
-            pos = cls.shortcut_names.find(name) # <3>
-            if 0 <= pos < len(self._components): # <4>
+        cls = type(self)
+        if len(name) == 1:
+            pos = cls.shortcut_names.find(name)
+            if 0 <= pos < len(self._components):
                 return self._components[pos]
-        msg = '{.__name__!r} object has no attribute {!r}' # <5>
+        msg = '{.__name__!r} object has no attribute {!r}'
         raise AttributeError(msg.format(cls, name))
 
     @classmethod