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Web UI Debug not showing up

I run my Dash app with app.server.run(debug=True, port=5001) but I do not see any of the Web UI debug tools (errors, etc.) on the page. Below is my requirements file for the project.

I started this project using the code of an old (pre v1.0) Dash example (Oil & Gas Wells) but I updated the various packages to recent versions as you can see below. A different project that I started from scratch with all recent (and similar) dash libraries shows the debug tool no problem in the same browser so it is not browser settings.

Can anyone suggest something I am missing to turn on debug in this project? Maybe something I missed in the Oil and Gas example is preventing it?

attrs==19.3.0
biopython==1.77
Brotli==1.0.7
certifi==2020.4.5.2
chardet==3.0.4
click==7.1.2
colour==0.1.5
dash==1.13.3
dash-bio==0.4.8
dash-bio-utils==0.0.5
dash-core-components==1.10.1
dash-daq==0.5.0
dash-html-components==1.0.3
dash-renderer==1.5.0
dash-table==4.8.1
Flask==1.1.2
Flask-Compress==1.5.0
future==0.18.2
GEOparse==2.0.1
idna==2.9
importlib-metadata==1.6.1
itsdangerous==1.1.0
Jinja2==2.11.2
joblib==0.15.1
jsonschema==3.2.0
MarkupSafe==1.1.1
numpy==1.18.5
pandas==1.0.5
ParmEd==3.2.0
periodictable==1.5.2
plotly==4.8.1
pyparsing==2.4.7
pyrsistent==0.16.0
python-dateutil==2.8.1
pytz==2020.1
requests==2.24.0
retrying==1.3.3
scikit-learn==0.23.1
scipy==1.5.0
six==1.15.0
threadpoolctl==2.1.0
tqdm==4.46.1
urllib3==1.25.9
Werkzeug==1.0.1
zipp==3.1.0