From 8492b351bdaa8b4660691d5c38eb3e8e74dca769 Mon Sep 17 00:00:00 2001
From: Daniel Schadt <kingdread@gmx.de>
Date: Wed, 12 Aug 2026 23:11:24 +0200
Subject: fix lints

---
 fietsboek/summaries.py | 28 +++++++++++++++++++++++-----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/fietsboek/summaries.py b/fietsboek/summaries.py
index aa8a84c..e3c58e6 100644
--- a/fietsboek/summaries.py
+++ b/fietsboek/summaries.py
@@ -2,11 +2,10 @@
 
 import datetime
 from dataclasses import dataclass
-from typing import Optional, Iterator
+from typing import Iterator, Optional
 
 from babel.dates import format_date
 from pyramid.i18n import Localizer
-from pyramid.i18n import TranslationString as _
 
 from . import util
 from .models.track import TrackWithMetadata
@@ -310,23 +309,42 @@ class YearContributions:
         self.start_date -= datetime.timedelta(days=end_date.weekday())
         assert (self.start_date - self.end_date).days <= 53 * 7
 
-        self.tracks = {}
+        self.tracks: dict[datetime.date, list[TrackWithMetadata]] = {}
 
     def add(self, track: TrackWithMetadata):
+        """Adds a track to this overview.
+
+        :param track: The track to add.
+        """
+        if track.date is None:
+            return
         date = track.date.date()
-        if date >= self.start_date and date <= self.end_date:
+        if self.start_date <= date <= self.end_date:
             self.tracks.setdefault(date, []).append(track)
 
     def rows(self) -> Iterator[Iterator[DayContributions]]:
+        """Returns the rows for the overview table.
+
+        Each row is a list of the cells. Seven rows will be returned, one for each weekday.
+
+        :return: An iterator over the rows to render.
+        """
         for weekday in range(7):
             row = []
             day = self.start_date + datetime.timedelta(days=weekday)
             while day <= self.end_date:
                 row.append(DayContributions(day, self.tracks.get(day, [])))
                 day += ONE_WEEK
-            yield row
+            yield iter(row)
 
     def header_row(self, localizer: Localizer) -> Iterator[str | None]:
+        """Returns the header row.
+
+        Each string marks a month name (spanning three columns), and a ``None`` is an empty column.
+
+        :param localizer: The localizer to use.
+        :return: An iterator over the column headers.
+        """
         locale = localizer.locale_name
         day = self.start_date
         while day <= self.end_date:
-- 
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