next: allow shows to be late

ics-now.py

@@ -48,6 +48,13 @@ class IcsNow:
             default=parse_minutes(60),
             help='How many minute should "next" include?',
         )
+        self.parser.add_argument(
+            "--next-late",
+            metavar="DURATION",
+            type=parse_minutes,
+            default=parse_minutes(10),
+            help='How many minutes can the "next" show be late?',
+        )
         self.parser.add_argument(
             "--ics-query",
             type=Path,
@@ -78,8 +85,11 @@ class IcsNow:
         # FIXME: sort by priority
         return events[0]
 
-    def pick_next(self, events: list[Event], current) -> Event | None:
-        events.remove(current)
+    def pick_next(self, events: list[Event], current) -> Optional[Event]:
+        events = [
+                e for e in events
+                if e['DTSTART'].dt > (self.args.now - self.args.next_late)
+                ]
         if not events:
             return None
         events.sort(key=lambda e: e['DTSTART'].dt)