fix(src,tests): Fix import typing errors (ethereum#2290)

* feat(stubs): Add `pytest_metadata`

* fix(pyproject.toml): Re-enable untyped imports checks

* fix(tests): Use relative imports in tests

Author: marioevz

pyproject.toml

@@ -170,7 +170,6 @@ ignore = [
 "tests/*" = ["ARG001"] # TODO: ethereum/execution-spec-tests#2188
 
 [tool.mypy]
-disable_error_code = ["import-untyped"]
 mypy_path = ["src", "$MYPY_CONFIG_FILE_DIR/stubs"]
 files = ["src", "tests"]
 exclude = [

src/ethereum_clis/transition_tool.py

@@ -16,7 +16,7 @@
 from requests import Response
 from requests.exceptions import ConnectionError as RequestsConnectionError
 from requests.exceptions import ReadTimeout
-from requests_unixsocket import Session
+from requests_unixsocket import Session  # type: ignore
 
 from ethereum_test_base_types import BlobSchedule
 from ethereum_test_exceptions import ExceptionMapper

stubs/pytest_metadata/__init__.pyi

@@ -0,0 +1,3 @@
+from _pytest.stash import StashKey
+
+metadata_key: StashKey

stubs/pytest_metadata/plugin.pyi

@@ -20,8 +20,8 @@
     BlockAccessListExpectation,
 )
 from ethereum_test_vm import Opcodes as Op
-from tests.prague.eip7702_set_code_tx.spec import Spec as Spec7702
 
+from ...prague.eip7702_set_code_tx.spec import Spec as Spec7702
 from .spec import ref_spec_7928
 
 REFERENCE_SPEC_GIT_PATH = ref_spec_7928.git_path