diff --git a/tox.ini b/tox.ini
index 936a92058..4ac8df2ba 100644
--- a/tox.ini
+++ b/tox.ini
@@ -71,3 +71,35 @@ commands =
     python chirp/share/make_supported.py model_support.html
     python tools/py3_driver_progress.py -o tests/Python3_Driver_Testing.md tests/py3_driver_testers.txt tests/model_stats.tsv
     git diff --exit-code tests/Python3_Driver_Testing.md
+
+[flake8]
+# The default line length for Black is 88, as "90-ish" has been determined
+# to optimally produce significantly shorter files without compromising the
+# ability to do side-by-side comparisons on typical screen resolutions. See:
+# https://black.readthedocs.io/en/stable/the_black_code_style/current_style.html#line-length
+max_line_length = 88
+
+# Tell Flake not to complain about "_" (the I18n function) not being defined
+builtins = _
+# VSCode users: If you still get an undefined variable error despite this
+# declaration, it's not coming from Flake8. It's coming from pylance. You need
+# this in your VSCode Settings to tell pylance to take a seat and let Flake8
+# deal with this issue:
+# 		"python.analysis.diagnosticSeverityOverrides": {
+#			"reportUndefinedVariable": "none"
+#		},
+
+# E203 is not PEP8 compliant and conflicts with Black, per
+# https://black.readthedocs.io/en/stable/the_black_code_style/current_style.html#slices
+extend_ignore =
+    E203
+
+exclude =
+    .git,
+    __pycache__,
+    .tox
+    build
+    dist
+    .eggs
+    docs/conf.py
+