diff --git a/pyproject.toml b/pyproject.toml
index 5dce991d..6534d7df 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -72,7 +72,7 @@ version-file = "src/fixit/__version__.py"
 features = ["dev", "pretty"]
 
 [tool.hatch.envs.default.scripts]
-test = "python -m fixit.tests"
+test = "python3 -m fixit.tests"
 typecheck = "mypy --install-types --non-interactive src/fixit"
 
 [tool.hatch.envs.lint.scripts]
diff --git a/src/fixit/rules/pyflakes/__init__.py b/src/fixit/rules/pyflakes/__init__.py
new file mode 100644
index 00000000..7bec24cb
--- /dev/null
+++ b/src/fixit/rules/pyflakes/__init__.py
@@ -0,0 +1,4 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
diff --git a/src/fixit/tests/__init__.py b/src/fixit/tests/__init__.py
index c2d38ef0..f6b54caf 100644
--- a/src/fixit/tests/__init__.py
+++ b/src/fixit/tests/__init__.py
@@ -16,3 +16,7 @@
     globals(),
     collect_rules(enables=[QualifiedRule("fixit.rules")], disables=[]),
 )
+add_lint_rule_tests_to_module(
+    globals(),
+    collect_rules(enables=[QualifiedRule("fixit.rules.pyflakes")], disables=[]),
+)