Fix formatting, some typos, and unused code, and add docstrings

- No idea why subclasses of ConversationTab were working before
    (info_header was overriden with None in __init__)
- Or why the date parsing worked (“Exeception”)
- Some more reformatting with pylint indications
- Document each module in the tabs module

1 files changed, 1 insertions, 1 deletions

diff --git a/src/poezio_shlex.py b/src/poezio_shlex.py
index 5b3c556c..d2025c2e 100644
--- a/src/poezio_shlex.py
+++ b/src/poezio_shlex.py
@@ -20,7 +20,7 @@ from io import StringIO
 
 __all__ = ["shlex", "split", "quote"]
 
-class shlex:
+class shlex(object):
     """
     A custom version of the shlex in the stdlib to yield more information
     """