typo

src/RestrictedPython/Eval.py

@@ -85,7 +85,7 @@ def prepUnrestrictedCode(self):
                 used = set()
                 for node in ast.walk(exp_node):
                     if isinstance(node, ast.Name):
-                        # Because there are now Name expressions which context
+                        # Because there are no Name expressions which context
                         # is *not* Load, we changed the if here to an assert.
                         assert isinstance(node.ctx, ast.Load)
                         used.add(node.id)