Ruff fixes (#1119)

* added tests

* added check in define_meshtags

* added an assertion to avoid id=0

* fixed test

* fixed more tests

* ruff fixes

* unsafe fixes

* fixed buidl

* bunch of ruff fixes

* fixed conf.py

* fixed line length

* fixed typo

* final fix

* removed all exampels

Author: RemDelaporteMathurin

docs/source/conf.py

@@ -37,7 +37,6 @@
 # Add the directory containing your Python script to the Python path
 sys.path.insert(0, os.path.abspath("."))
 
-import map
 
 m = map.generate_map()
 current_dir = os.path.dirname(__file__)