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, 5 insertions, 7 deletions

diff --git a/src/pep.py b/src/pep.py
index a505329a..0478b5fd 100644
--- a/src/pep.py
+++ b/src/pep.py
@@ -1,3 +1,8 @@
+"""
+Collection of mappings for PEP moods/activities
+extracted directly from the XEP
+"""
+
 from gettext import gettext as _
 
 MOODS = {
@@ -216,10 +221,3 @@ ACTIVITIES = {
             }
         }
 
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