Correct and delete exlude_patterns in conf.py

conf.py

@@ -65,7 +65,7 @@
 # List of patterns, relative to source directory, that match files and
 # directories to ignore when looking for source files.
 # exclude_patterns = []
-exclude_patterns = [en/]
+exclude_patterns = []
 
 # The reST default role (used for this markup: `text`) to use for all documents.
 #default_role = None