Minor type fixes

Author: Erotemic

line_profiler/line_profiler.py

@@ -381,7 +381,6 @@ def _get_aggregated_timings(stats_objs):
             # rounding errors
             stats_objs = sorted(stats_objs, key=operator.attrgetter('unit'))
             unit = stats_objs[-1].unit
-            # type: dict[tuple[str, int, int], dict[int, tuple[int, float]]
             timing_dict = {}
             for stats in stats_objs:
                 factor = stats.unit / unit

line_profiler/toml_config.py

@@ -220,6 +220,7 @@ def merge(template: dict[str, Any], supplied: dict[str, Any]):
                 config = None
             else:
                 return default_instance
+        assert not isinstance(config, bool)
         if config is not None:
             # Promote to `Path` (and catch type errors) early
             config = pathlib.Path(config)