adjustments to mypy configuration

Author: sanderegg

mypy.ini

@@ -11,13 +11,19 @@ namespace_packages = True
 no_implicit_reexport = True
 # NOTE: this crashes mypy when declared here, therefore it is declared in the setup.cfg files
 # plugins = pydantic.mypy
+cache_dir = .mypy_cache
+error_summary = True
+incremental = True
+local_partial_types = True
+no_implicit_optional = True
+pretty = True
 python_version = 3.11
 show_column_numbers = True
 show_error_context = False
 strict_optional = True
-; no_implicit_optional = True
 warn_redundant_casts = True
 warn_return_any = True
+warn_unreachable = True
 warn_unused_configs = True
 warn_unused_ignores = True