build: Update mypy configuration (GridTools#1505)

Minor fixes in wrong mypy settings.

.pre-commit-config.yaml

@@ -112,15 +112,5 @@ repos:
       build/.* |
       ci/.* |
       docs/.* |
-      tests/conftest.py |
-      tests/cartesian_tests/.* |
-      tests/next_tests/unit_tests/.* |
-      tests/next_tests/integration_tests/multi_feature_tests/.* |
-      tests/next_tests/integration_tests/feature_tests/ffront_tests/.* |
-      tests/next_tests/integration_tests/feature_tests/iterator_tests/.* |
-      tests/next_tests/integration_tests/feature_tests/otf_tests/.* |
-      tests/next_tests/integration_tests/feature_tests/math_builtin_test_data.py |
-      tests/next_tests/past_common_fixtures.py |
-      tests/next_tests/toy_connectivity.py |
       tests/.*
       )$

pyproject.toml

@@ -122,25 +122,16 @@ source_pkgs = ['gt4py']
 disallow_incomplete_defs = true
 exclude = [
   '^setup\.py$',
-  '^build/.*py$',
-  '^ci/*.py$',
-  '^tests/cartesian_tests/*.py$',
-  '^tests/storage_tests/*.py$',
-  '^tests/eve_tests/*.py$',
-  '^tests/next_tests/unit_tests/*.py$',
-  '^tests/next_tests/integration_tests/multi_feature_tests/*.py$',
-  '^tests/next_tests/integration_tests/feature_tests/ffront_tests/*.py$',
-  '^tests/next_tests/integration_tests/feature_tests/iterator_tests/*.py$',
-  '^tests/next_tests/integration_tests/feature_tests/otf_tests/*.py$',
-  '^tests/next_tests/integration_tests/feature_tests/math_builtin_test_data.py$',
-  '^tests/next_tests/past_common_fixtures.py$',
-  '^tests/next_tests/toy_connectivity.py$'
+  'build/.*$',
+  'ci/*.$',
+  'docs/.*$',
+  'tests/.*$'
 ]
 ignore_missing_imports = true
+implicit_optional = false
+implicit_reexport = false
 install_types = true
 namespace_packages = false
-no_implicit_optional = true
-no_implicit_reexport = true
 # pretty = true
 show_column_numbers = true
 show_error_codes = true