Change shebang to Python3

[rnaseq-cwl-training.git] / bin / lesson_check.py

diff --git a/bin/lesson_check.py b/bin/lesson_check.py
index 441c1a71fb568837ecb3d988388af804e5f73469..616885e6113dd0bd91a8cbc662587deace5b7664 100755 (executable)
--- a/bin/lesson_check.py
+++ b/bin/lesson_check.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 """
 Check lesson files and their contents.
@@ -271,9 +271,9 @@ def create_checker(args, filename, info):
     for (pat, cls) in CHECKERS:
         if pat.search(filename):
             return cls(args, filename, **info)
+    return NotImplemented
 
-
-class CheckBase(object):
+class CheckBase:
     """Base class for checking Markdown files."""
 
     def __init__(self, args, filename, metadata, metadata_len, text, lines, doc):