refactor: Drop implicit str concatentation (ISC001)

- Applied through ruff (`ruff check --select=TC --unsafe-fixes --fix`)

pyproject.toml

@@ -61,13 +61,14 @@ build-backend = "poetry.core.masonry.api"
 line-length = 120
 target-version = "py39"
 lint.select = [
-    "B",   # flake8-bugbear
-    "E4",  # pycodestyle - error - import
-    "E7",  # pycodestyle - error - statement
-    "E9",  # pycodestyle - error - runtime
-    "F",   # pyflakes
-    "I",   # isort
-    "UP",  # pyupgrade
+    "B",     # flake8-bugbear
+    "E4",    # pycodestyle - error - import
+    "E7",    # pycodestyle - error - statement
+    "E9",    # pycodestyle - error - runtime
+    "F",     # pyflakes
+    "I",     # isort
+    "ISC",   # flake8-implicit-str-concat
+    "UP",    # pyupgrade
 ]
 lint.isort.required-imports = [
     "from __future__ import annotations",

src/pytest_bdd/scenario.py

@@ -188,9 +188,9 @@ def parse_step_arguments(step: Step, context: StepFunctionContext) -> dict[str,
     """Parse step arguments."""
     parsed_args = context.parser.parse_arguments(step.name)
 
-    assert parsed_args is not None, (
-        f"Unexpected `NoneType` returned from " f"parse_arguments(...) in parser: {context.parser!r}"
-    )
+    assert (
+        parsed_args is not None
+    ), f"Unexpected `NoneType` returned from parse_arguments(...) in parser: {context.parser!r}"
 
     reserved_args = set(parsed_args.keys()) & STEP_ARGUMENTS_RESERVED_NAMES
     if reserved_args: