Fix err "global name 'module' is not defined" (#1146)

Fix following error when using this plugin
```
with module.stream() as stream:
NameError: global name 'module' is not defined
```

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/custom_raw.py b/examples/custom_raw.py
index 30e90bfac..a86666724 100644
--- a/examples/custom_raw.py
+++ b/examples/custom_raw.py
@@ -21,7 +21,7 @@ class MyRawChecker(BaseChecker):
 
         the module's content is accessible via node.stream() function
         """
-        with module.stream() as stream:
+        with node.stream() as stream:
             for (lineno, line) in enumerate(stream):
                 if line.rstrip().endswith('\\'):
                     self.add_message('backslash-line-continuation',