diff --git a/mypy.ini b/mypy.ini
index 9c34fcc0..7bcb927e 100644
--- a/mypy.ini
+++ b/mypy.ini
@@ -3,11 +3,14 @@ pretty = True
 show_error_context = True
 show_column_numbers = True
 show_error_end = True
-warn_redundant_casts = True
-warn_unused_ignores = True
+
 check_untyped_defs = True
+
+# see https://mypy.readthedocs.io/en/stable/error_code_list2.html
+warn_redundant_casts = True
 strict_equality = True
-enable_error_code = possibly-undefined
+warn_unused_ignores = True
+enable_error_code = deprecated,redundant-expr,possibly-undefined,truthy-bool,truthy-iterable,ignore-without-code,unused-awaitable
 
 # todo ok, maybe it wasn't such a good idea..
 # mainly because then tox picks it up and running against the user config, not the repository config
diff --git a/src/my/arbtt.py b/src/my/arbtt.py
index 5d4bf8ec..737780aa 100644
--- a/src/my/arbtt.py
+++ b/src/my/arbtt.py
@@ -87,7 +87,7 @@ def entries() -> Iterable[Entry]:
 
     from subprocess import PIPE, Popen
 
-    import ijson.backends.yajl2_cffi as ijson  # type: ignore
+    import ijson.backends.yajl2_cffi as ijson  # type: ignore[import-untyped]
     for cmd in cmds:
         with Popen(cmd, stdout=PIPE) as p:
             out = p.stdout; assert out is not None
diff --git a/src/my/calendar/holidays.py b/src/my/calendar/holidays.py
index 522672e4..2fa5ba15 100644
--- a/src/my/calendar/holidays.py
+++ b/src/my/calendar/holidays.py
@@ -15,7 +15,7 @@
 
 @lru_cache(1)
 def _calendar():
-    from workalendar.registry import registry  # type: ignore
+    from workalendar.registry import registry  # type: ignore[import-not-found]
 
     # todo switch to using time.tz.main once _get_tz stabilizes?
     from ..time.tz import via_location as LTZ
diff --git a/src/my/core/__main__.py b/src/my/core/__main__.py
index 7e2d8f94..545f3f75 100644
--- a/src/my/core/__main__.py
+++ b/src/my/core/__main__.py
@@ -304,8 +304,7 @@ def modules_check(*, verbose: bool, list_all: bool, quick: bool, for_modules: li
 
         try:
             kwargs = {}
-            # todo hmm why wouldn't they be callable??
-            if callable(stats) and 'quick' in inspect.signature(stats).parameters:
+            if 'quick' in inspect.signature(stats).parameters:
                 kwargs['quick'] = quick
             with quick_context:
                 res = stats(**kwargs)
diff --git a/src/my/core/_deprecated/dataset.py b/src/my/core/_deprecated/dataset.py
index 9cca2fda..d7a427f9 100644
--- a/src/my/core/_deprecated/dataset.py
+++ b/src/my/core/_deprecated/dataset.py
@@ -3,7 +3,7 @@
 
 
 def connect_readonly(db: PathIsh):
-    import dataset  # type: ignore
+    import dataset  # type: ignore[import-not-found]
 
     # see https://github.com/pudo/dataset/issues/136#issuecomment-128693122
     # todo not sure if mode=ro has any benefit, but it doesn't work on read-only filesystems
diff --git a/src/my/core/denylist.py b/src/my/core/denylist.py
index c92f9a05..b0ea8530 100644
--- a/src/my/core/denylist.py
+++ b/src/my/core/denylist.py
@@ -135,7 +135,8 @@ def _deny_cli_remember(
         items: Iterator[T],
         mem: dict[str, T],
     ) -> Iterator[str]:
-        keyf = self._deny_cli_key_func or _default_key_func
+        # user can override _deny_cli_key_func, so it's not always None, hence the ignore
+        keyf = self._deny_cli_key_func or _default_key_func  # type: ignore[redundant-expr]
         # i.e., convert each item to a string, and map str -> item
         for item in items:
             key = keyf(item)
diff --git a/src/my/core/discovery_pure.py b/src/my/core/discovery_pure.py
index 18a19c48..23d5b85c 100644
--- a/src/my/core/discovery_pure.py
+++ b/src/my/core/discovery_pure.py
@@ -119,8 +119,6 @@ def _extract_requirements(a: ast.Module) -> Requires:
         for c in elts:
             if isinstance(c, ast.Constant):
                 deps.append(c.value)
-            elif isinstance(c, ast.Str):
-                deps.append(c.s)
             else:
                 raise RuntimeError(f"Expecting string constants only in {REQUIRES} declaration")
         return tuple(deps)
diff --git a/src/my/core/influxdb.py b/src/my/core/influxdb.py
index 78a439a4..50c957e3 100644
--- a/src/my/core/influxdb.py
+++ b/src/my/core/influxdb.py
@@ -34,7 +34,7 @@ def fill(it: Iterable[Any], *, measurement: str, reset: bool = RESET_DEFAULT, dt
 
     db = config.db
 
-    from influxdb import InfluxDBClient  # type: ignore
+    from influxdb import InfluxDBClient  # type: ignore[import-not-found]
 
     client = InfluxDBClient()
     # todo maybe create if not exists?
diff --git a/src/my/core/mime.py b/src/my/core/mime.py
index 8235960f..615160c5 100644
--- a/src/my/core/mime.py
+++ b/src/my/core/mime.py
@@ -14,7 +14,7 @@
 
 @functools.lru_cache(1)
 def _magic():
-    import magic  # type: ignore
+    import magic  # type: ignore[import-not-found]
 
     # TODO also has uncompess=True? could be useful
     return magic.Magic(mime=True)
diff --git a/src/my/core/utils/itertools.py b/src/my/core/utils/itertools.py
index 42b2b771..06faf3c1 100644
--- a/src/my/core/utils/itertools.py
+++ b/src/my/core/utils/itertools.py
@@ -72,7 +72,7 @@ def make_dict(
     uniques = ensure_unique(with_keys, key=lambda p: p[0])
     res: dict[K, V] = {}
     for k, i in uniques:
-        res[k] = i if value is None else value(i)
+        res[k] = i if value is None else value(i)  # type: ignore[redundant-expr]
     return res
 
 
diff --git a/src/my/demo.py b/src/my/demo.py
index fa80b2a0..34424989 100644
--- a/src/my/demo.py
+++ b/src/my/demo.py
@@ -32,7 +32,7 @@ def external_module(self):
 
             return import_dir(rpath)
 
-        import my.config.repos.external as m  # type: ignore
+        import my.config.repos.external as m  # type: ignore[import-not-found]
 
         return m
 
diff --git a/src/my/emfit/__init__.py b/src/my/emfit/__init__.py
index 0d50b063..1031d12d 100644
--- a/src/my/emfit/__init__.py
+++ b/src/my/emfit/__init__.py
@@ -193,7 +193,7 @@ class emfit:
 # TODO remove/deprecate it? I think used by timeline
 def get_datas() -> list[Emfit]:
     # todo ugh. run lint properly
-    return sorted(datas(), key=lambda e: e.start)  # type: ignore
+    return sorted(datas(), key=lambda e: e.start)  # type: ignore[arg-type]
 
 
 # TODO move away old entries if there is a diff??
diff --git a/src/my/jawbone/__init__.py b/src/my/jawbone/__init__.py
index 463d7352..653a6ab9 100644
--- a/src/my/jawbone/__init__.py
+++ b/src/my/jawbone/__init__.py
@@ -182,7 +182,7 @@ def plot_one(sleep: SleepEntry, fig, axes, xlims=None, *, showtext=True):
     print(f"{sleep.xid} span: {span}")
 
     # pip install imageio
-    from imageio import imread  # type: ignore
+    from imageio import imread  # type: ignore[import-not-found]
 
     img = imread(sleep.graph)
     # all of them are 300x300 images apparently
diff --git a/src/my/jawbone/plots.py b/src/my/jawbone/plots.py
index 59684125..ede23d0a 100755
--- a/src/my/jawbone/plots.py
+++ b/src/my/jawbone/plots.py
@@ -5,7 +5,7 @@
 from pathlib import Path
 from typing import Any, NamedTuple
 
-import matplotlib.pylab as pylab  # type: ignore
+import matplotlib.pylab as pylab  # type: ignore[import-not-found]
 
 # sleep = []
 # with open('2017.csv', 'r') as fo:
@@ -13,7 +13,7 @@
 #     for line in islice(reader, 0, 10):
 #         sleep
 #         print(line)
-import matplotlib.pyplot as plt  # type: ignore
+import matplotlib.pyplot as plt  # type: ignore[import-not-found]
 from numpy import genfromtxt
 
 pylab.rcParams['figure.figsize'] = (32.0, 24.0)
@@ -93,7 +93,7 @@ def iter_useful(data_file: str):
     p / "2017.csv",
 ]
 
-from kython import concat, parse_date  # type: ignore
+from kython import concat, parse_date  # type: ignore[import-not-found]
 
 useful = concat(*(list(iter_useful(str(f))) for f in files))
 
@@ -107,7 +107,7 @@ def iter_useful(data_file: str):
 # TODO filter outliers?
 
 # TODO don't need this anymore? it's gonna be in dashboards package
-from kython.plotting import plot_timestamped  # type: ignore
+from kython.plotting import plot_timestamped  # type: ignore[import-not-found]
 
 for attr, lims, mavg, fig in [
         ('light', (0, 400), 5, None),
diff --git a/src/my/location/google.py b/src/my/location/google.py
index 750c847f..1454b76b 100644
--- a/src/my/location/google.py
+++ b/src/my/location/google.py
@@ -18,8 +18,7 @@
 from subprocess import PIPE, Popen
 from typing import IO, NamedTuple, Optional
 
-# pip3 install geopy
-import geopy  # type: ignore
+import geopy  # type: ignore[import-not-found]
 
 from my.core import Stats, make_logger, stat, warnings
 from my.core.cachew import cache_dir, mcachew
@@ -50,10 +49,10 @@ def _iter_via_ijson(fo) -> Iterable[TsLatLon]:
     # todo extract to common?
     try:
         # pip3 install ijson cffi
-        import ijson.backends.yajl2_cffi as ijson  # type: ignore
+        import ijson.backends.yajl2_cffi as ijson  # type: ignore[import-untyped]
     except:
         warnings.medium("Falling back to default ijson because 'cffi' backend isn't found. It's up to 2x faster, you might want to check it out")
-        import ijson  # type: ignore
+        import ijson  # type: ignore[import-untyped]
 
     for d in ijson.items(fo, 'locations.item'):
         yield (
diff --git a/src/my/photos/main.py b/src/my/photos/main.py
index f98cb15b..e447d8e4 100644
--- a/src/my/photos/main.py
+++ b/src/my/photos/main.py
@@ -17,7 +17,7 @@
 from pathlib import Path
 from typing import NamedTuple, Optional
 
-from geopy.geocoders import Nominatim  # type: ignore
+from geopy.geocoders import Nominatim  # type: ignore[import-not-found]
 
 from my.core import LazyLogger
 from my.core.cachew import cache_dir, mcachew
diff --git a/src/my/rtm.py b/src/my/rtm.py
index 217c9692..716d4505 100644
--- a/src/my/rtm.py
+++ b/src/my/rtm.py
@@ -1,6 +1,7 @@
 """
 [[https://rememberthemilk.com][Remember The Milk]] tasks and notes
 """
+from __future__ import annotations
 
 REQUIRES = [
     'icalendar',
@@ -11,8 +12,9 @@
 from datetime import datetime
 from functools import cached_property
 
-import icalendar  # type: ignore
-from icalendar.cal import Todo  # type: ignore
+# no mypy annotations... https://github.com/collective/icalendar/issues/395
+import icalendar  # type: ignore[import-not-found]
+from icalendar.cal import Todo  # type: ignore[import-not-found]
 from more_itertools import bucket
 
 from my.core import get_files, make_logger
@@ -53,9 +55,9 @@ def uid(self) -> str:
     def title(self) -> str:
         return str(self.todo['SUMMARY'])
 
-    def get_status(self) -> str:
+    def get_status(self) -> str | None:
         if 'STATUS' not in self.todo:
-            return None # type: ignore
+            return None
         # TODO 'COMPLETED'?
         return str(self.todo['STATUS'])
 
diff --git a/src/my/tests/tz.py b/src/my/tests/tz.py
index 92d8f3ba..70cc76eb 100644
--- a/src/my/tests/tz.py
+++ b/src/my/tests/tz.py
@@ -104,4 +104,4 @@ def test_policies() -> None:
     assert getzone(tz_main.localize(aware, policy='convert')) == 'Europe/Rome'
 
     with pytest.raises(RuntimeError):
-        assert tz_main.localize(aware, policy='throw')
+        tz_main.localize(aware, policy='throw')
diff --git a/src/my/time/tz/via_location.py b/src/my/time/tz/via_location.py
index 1b2275b4..93c43d72 100644
--- a/src/my/time/tz/via_location.py
+++ b/src/my/time/tz/via_location.py
@@ -93,7 +93,7 @@ def _timezone_finder(*, fast: bool) -> Any:
         # less precise, but faster
         from timezonefinder import TimezoneFinderL as Finder
     else:
-        from timezonefinder import TimezoneFinder as Finder  # type: ignore
+        from timezonefinder import TimezoneFinder as Finder  # type: ignore[assignment]
     return Finder(in_memory=True)
 
 
diff --git a/tests_misc/takeout.py b/tests_misc/takeout.py
index 47d405be..11041b3b 100644
--- a/tests_misc/takeout.py
+++ b/tests_misc/takeout.py
@@ -13,7 +13,7 @@
 def test_location_perf() -> None:
     # 2.80 s for 10 iterations and 10K points
     # TODO try switching to jq and see how it goes? not sure..
-    print(ilen(islice(LT.iter_locations(), 0, 10000)))  # type: ignore
+    print(ilen(islice(LT.iter_locations(), 0, 10000)))  # type: ignore[attr-defined]
 
 
 # in theory should support any HTML takeout file?