Autoformat tox.ini after failing to move it to setup.cfg

tox.ini

@@ -3,7 +3,6 @@ minversion = 2.4
 envlist = formatting, py36, py37, py38, py39, pypy, benchmark
 skip_missing_interpreters = true
 
-
 [testenv:pylint]
 deps =
     -r {toxinidir}/requirements_test_min.txt
@@ -11,7 +10,6 @@ deps =
 commands =
     pre-commit run pylint --all-files
 
-
 [testenv:formatting]
 basepython = python3
 deps =
@@ -20,7 +18,6 @@ deps =
 commands =
     pre-commit run --all-files
 
-
 [testenv:mypy]
 basepython = python3
 deps =
@@ -28,7 +25,6 @@ deps =
 commands =
     pre-commit run mypy --all-files
 
-
 [testenv]
 setenv =
     COVERAGE_FILE = {toxinidir}/.coverage.{envname}
@@ -38,14 +34,12 @@ commands =
     ; Run tests, ensuring all benchmark tests do not run
     pytest --benchmark-disable {toxinidir}/tests/ {posargs:}
 
-
 [testenv:spelling]
 deps =
     -r {toxinidir}/requirements_test.txt
 commands =
     pytest {toxinidir}/tests/ {posargs:} -k unittest_spelling
 
-
 [testenv:coverage-html]
 setenv =
     COVERAGE_FILE = {toxinidir}/.coverage
@@ -56,7 +50,6 @@ commands =
     coverage combine
     coverage html --ignore-errors --rcfile={toxinidir}/.coveragerc
 
-
 [testenv:docs]
 changedir = doc/
 deps =
@@ -64,7 +57,6 @@ deps =
 commands =
     sphinx-build -W -b html -d _build/doctrees . _build/html
 
-
 [testenv:benchmark]
 deps =
     -r {toxinidir}/requirements_test.txt
@@ -73,20 +65,21 @@ commands =
     ; Run the only the benchmark tests, grouping output and forcing .json output so we
     ; can compare benchmark runs
     pytest --exitfirst \
-        --failed-first \
-        --benchmark-only \
-        --benchmark-save=batch_files \
-        --benchmark-save-data \
-        --benchmark-autosave {toxinidir}/tests \
-        --benchmark-group-by="group" \
-        {posargs:}
+    --failed-first \
+    --benchmark-only \
+    --benchmark-save=batch_files \
+    --benchmark-save-data \
+    --benchmark-autosave {toxinidir}/tests \
+    --benchmark-group-by="group" \
+    {posargs:}
 
 [testenv:profile_against_external]
 setenv =
     PYTEST_PROFILE_EXTERNAL = 1
 deps =
     -r {toxinidir}/requirements_test.txt
-   gprof2dot
+    gprof2dot
 commands =
     pytest --exitfirst \
-        --profile-svg {toxinidir}/tests/profile/test_profile_against_externals.py
+    --profile-svg \
+    {toxinidir}/tests/profile/test_profile_against_externals.py