tanken: cleanup code

* Add type annotations
* Use meaningfull variable names
* Add doc-strings
* Remove she-bang line from non-executable file

1 files changed, 2 insertions, 0 deletions

diff --git a/geldschieberbot.py b/geldschieberbot.py
index ff285db..f21b7d6 100644
--- a/geldschieberbot.py
+++ b/geldschieberbot.py
@@ -620,6 +620,8 @@ def _tanken(sender, args, msg) -> dict[str, str]:
     if err:
         return {'err': err}
 
+    assert parts
+
     output = ""
     change = [args]
     for pname, values in parts.items():