toxfile: build w/ nitpicky; show full traceback on fail

tox.ini

@@ -108,7 +108,7 @@ extras = {[testenv:docs-no-checks]extras}
 deps =
     py39-sphinx61-docs: sphinx~=6.1.0
 commands =
-    sphinx-build -b html docs/ docs/_build/html -v -w warnings.txt {posargs}
+    sphinx-build -b html docs/ docs/_build/html -nTv -w warnings.txt {posargs}
     python tests/utils/check_warnings.py
 
 # recommended for local development, this command will build the PST documentation
@@ -122,7 +122,7 @@ set_env = PYDEVD_DISABLE_FILE_VALIDATION=1
 extras = {[testenv:docs-no-checks]extras}
 package = editable
 commands =
-    sphinx-build -b html docs/ docs/_build/html -v -w warnings.txt {posargs}
+    sphinx-build -b html docs/ docs/_build/html -nTv -w warnings.txt {posargs}
     python tests/utils/check_warnings.py
 
 # build the docs with live-reload, if you are working on the docs only (no theme changes) the best option is to call