diff --git a/dandi/conftest.py b/dandi/conftest.py
index 8a791c1e7..e07338088 100644
--- a/dandi/conftest.py
+++ b/dandi/conftest.py
@@ -1 +1 @@
-from .tests.fixtures import *
+from .tests.fixtures import *  # noqa: F401, F403
diff --git a/dandi/support/tests/test_cache.py b/dandi/support/tests/test_cache.py
index 5bb5c40d3..139a8c6cb 100644
--- a/dandi/support/tests/test_cache.py
+++ b/dandi/support/tests/test_cache.py
@@ -185,9 +185,9 @@ def func(path):
         # must be running during conda build which blows up paths with
         # _placehold_ers
         pytest.skip("seems to be running on conda and hitting the limits")
-    assert outputs[0].stdout.strip().decode() == f"Running script.py.DONE"
+    assert outputs[0].stdout.strip().decode() == "Running script.py.DONE"
     for o in outputs[1:]:
-        assert o.stdout.strip().decode() == f"DONE"
+        assert o.stdout.strip().decode() == "DONE"
 
     cache.clear()
 
diff --git a/dandi/support/tests/test_digests.py b/dandi/support/tests/test_digests.py
index 0792fa8f4..fa410e983 100644
--- a/dandi/support/tests/test_digests.py
+++ b/dandi/support/tests/test_digests.py
@@ -19,7 +19,9 @@ def test_digester(tmp_path):
         "md5": "202cb962ac59075b964b07152d234b70",
         "sha1": "40bd001563085fc35165329ea1ff5c5ecbdbbeef",
         "sha256": "a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3",
-        "sha512": "3c9909afec25354d551dae21590bb26e38d53f2173b8d3dc3eee4c047e7ab1c1eb8b85103e3be7ba613b31bb5c9c36214dc9f14a42fd7a2fdb84856bca5c44c2",
+        "sha512": "3c9909afec25354d551dae21590bb26e38d53f2173b8d3dc3eee4c047e7a"
+                  "b1c1eb8b85103e3be7ba613b31bb5c9c36214dc9f14a42fd7a2fdb84856b"
+                  "ca5c44c2",
     }
 
     f = tmp_path / "0"
@@ -28,7 +30,9 @@ def test_digester(tmp_path):
         "md5": "93b885adfe0da089cdf634904fd59f71",
         "sha1": "5ba93c9db0cff93f52b521d7420e43f6eda2784f",
         "sha256": "6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d",
-        "sha512": "b8244d028981d693af7b456af8efa4cad63d282e19ff14942c246e50d9351d22704a802a71c3580b6370de4ceb293c324a8423342557d4e5c38438f0e36910ee",
+        "sha512": "b8244d028981d693af7b456af8efa4cad63d282e19ff14942c246e50d935"
+                  "1d22704a802a71c3580b6370de4ceb293c324a8423342557d4e5c38438f0"
+                  "e36910ee",
     }
 
     f = tmp_path / "long.txt"
@@ -37,5 +41,7 @@ def test_digester(tmp_path):
         "md5": "81b196e3d8a1db4dd2e89faa39614396",
         "sha1": "5273ac6247322c3c7b4735a6d19fd4a5366e812f",
         "sha256": "80028815b3557e30d7cbef1d8dbc30af0ec0858eff34b960d2839fd88ad08871",
-        "sha512": "684d23393eee455f44c13ab00d062980937a5d040259d69c6b291c983bf635e1d405ff1dc2763e433d69b8f299b3f4da500663b813ce176a43e29ffcc31b0159",
+        "sha512": "684d23393eee455f44c13ab00d062980937a5d040259d69c6b291c983bf6"
+                  "35e1d405ff1dc2763e433d69b8f299b3f4da500663b813ce176a43e29ffc"
+                  "c31b0159",
     }
diff --git a/dandi/tests/fixtures.py b/dandi/tests/fixtures.py
index 6b9f4640d..ef46e83a9 100644
--- a/dandi/tests/fixtures.py
+++ b/dandi/tests/fixtures.py
@@ -18,6 +18,7 @@
 
 lgr = get_logger()
 
+
 # TODO: move into some common fixtures.  We might produce a number of files
 #       and also carry some small ones directly in git for regression testing
 @pytest.fixture(scope="session")
diff --git a/dandi/tests/skip.py b/dandi/tests/skip.py
index 9cfd959ec..93f10b8e5 100644
--- a/dandi/tests/skip.py
+++ b/dandi/tests/skip.py
@@ -96,7 +96,7 @@ def windows():
 #     return msg, missing_deps
 
 # The following code is modified from the original ReproMan source:
-### BEGIN MODIFIED CODE
+# ### BEGIN MODIFIED CODE
 
 
 def no_docker_commands():
@@ -121,7 +121,7 @@ def is_engine_running():
     return "docker engine not running", not is_engine_running()
 
 
-### END MODIFIED CODE
+# ### END MODIFIED CODE
 
 
 def no_network():
diff --git a/dandi/tests/test_download.py b/dandi/tests/test_download.py
index 31b9b0e46..46868af0a 100644
--- a/dandi/tests/test_download.py
+++ b/dandi/tests/test_download.py
@@ -47,7 +47,8 @@ def test_parse_dandi_url():
     # new (v1? not yet tagged) web UI, and as it comes from a PR,
     # so we need to provide yet another mapping to stock girder
     s, a, aid = parse_dandi_url(
-        "https://refactor--gui-dandiarchive-org.netlify.app/#/file-browser/folder/5e9f9588b5c9745bad9f58fe"
+        "https://refactor--gui-dandiarchive-org.netlify.app/#/file-browser"
+        "/folder/5e9f9588b5c9745bad9f58fe"
     )
     assert s == "https://girder.dandiarchive.org"
     assert (a, aid) == ("folder", ["5e9f9588b5c9745bad9f58fe"])
diff --git a/dandi/tests/test_organize.py b/dandi/tests/test_organize.py
index 504cc8c6f..2166a8213 100644
--- a/dandi/tests/test_organize.py
+++ b/dandi/tests/test_organize.py
@@ -122,7 +122,7 @@ def test_organize_nwb_test_data(nwb_test_data, tmpdir, clirunner, mode):
     # with @map_to_click_exceptions we loose original str of message somehow
     # although it is shown to the user - checked. TODO - figure it out
     # assert "not containing all" in str(r.exc_info[1])
-    assert r.exit_code != 0, f"Must have aborted since many files lack subject_id"
+    assert r.exit_code != 0, "Must have aborted since many files lack subject_id"
     assert not glob(op.join(outdir, "*")), "no files should have been populated"
 
     r = clirunner.invoke(organize, cmd + ["--invalid", "warn"])
diff --git a/dandi/tests/test_utils.py b/dandi/tests/test_utils.py
index 8347521d3..1d7a77361 100644
--- a/dandi/tests/test_utils.py
+++ b/dandi/tests/test_utils.py
@@ -1,7 +1,6 @@
 import inspect
 import os.path as op
 import time
-import datetime
 import pytest
 from ..utils import (
     ensure_datetime,
diff --git a/setup.cfg b/setup.cfg
index 25b9f50ef..a90eb73d9 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -86,7 +86,6 @@ max-line-length = 100
 #ignore = D100,D101,D102,D103,D104,D105,D200,D201,D202,D204,D205,D208,D209,D210,D300,D301,D400,D401,D403,E24,E121,E123,E126,E226,E266,E402,E704,E731,F821,I100,I101,I201,N802,N803,N804,N806,W503,W504,W605
 ignore = E203,W503
 exclude =
-    *test*
     *sphinx*
     dandi/externals/*
     */__init__.py