Merge pull request #3972 from plotly/fix/dev-ci-py39-flake8

Fix dev CI after the pip dependency bump

Author: T4rk1n

components/dash-table/tests/selenium/test_empty.py

@@ -28,8 +28,6 @@ def clear_table(n_clicks):
         if n_clicks is None:
             raise PreventUpdate
 
-        nonlocal columns, data
-
         return (data, columns) if n_clicks % 2 == 0 else (None, None)
 
     return app

requirements/ci.txt

@@ -4,7 +4,8 @@ flake8==7.3.0
 flaky==3.8.1
 flask-talisman==1.1.0
 ipython<9.0.0
-mimesis<=21.0.0
+mimesis<=12.0.0; python_version < "3.10"
+mimesis<=21.0.0; python_version >= "3.10"
 mock==5.2.0
 numpy<=2.2.6
 orjson>=3.10.11