Fix problems found by deepsource

isort/api.py

@@ -21,8 +21,8 @@
     show_unified_diff,
 )
 from .io import Empty
-from .place import module as place_module
-from .place import module_with_reason as place_module_with_reason
+from .place import module as place_module  # skipcq: PYL-W0611 (intended export of public API)
+from .place import module_with_reason as place_module_with_reason  # skipcq: PYL-W0611 (^)
 from .settings import DEFAULT_CONFIG, FILE_SKIP_COMMENTS, Config
 
 CIMPORT_IDENTIFIERS = ("cimport ", "cimport*", "from.cimport")

isort/main.py

@@ -583,7 +583,7 @@ def parse_args(argv: Optional[Sequence[str]] = None) -> Dict[str, Any]:
 
 def _preconvert(item):
     """Preconverts objects from native types into JSONifyiable types"""
-    if isinstance(item, frozenset) or isinstance(item, set):
+    if isinstance(item, (set, frozenset)):
         return list(item)
     elif isinstance(item, WrapModes):
         return item.name

isort/place.py

@@ -1,6 +1,5 @@
 """Contains all logic related to placing an import within a certain section."""
 import importlib
-import os
 from fnmatch import fnmatch
 from functools import lru_cache
 from pathlib import Path

isort/settings.py

@@ -452,13 +452,6 @@ def _get_config_data(file_path: str, sections: Tuple[str]) -> Dict[str, Any]:
                 for key in section.split("."):
                     config_section = config_section.get(key, {})
                 settings.update(config_section)
-            else:  # pragma: no cover
-                if "[tool.isort]" in config_file.read():
-                    warnings.warn(
-                        f"Found {file_path} with [tool.isort] section, but toml package is not "
-                        f"installed. To configure isort with {file_path}, install with "
-                        "'isort[pyproject]'."
-                    )
         else:
             if file_path.endswith(".editorconfig"):
                 line = "\n"

isort/setuptools_commands.py

@@ -25,7 +25,7 @@ def initialize_options(self) -> None:
 
     def finalize_options(self) -> None:
         "Get options from config files."
-        self.arguments: Dict[str, Any] = {}
+        self.arguments: Dict[str, Any] = {}  # skipcq: PYL-W0201
         self.arguments["settings_path"] = os.getcwd()
 
     def distribution_files(self) -> Iterator[str]:

scripts/build_config_option_docs.py

@@ -2,7 +2,7 @@
 import os
 from typing import Any, Generator, Iterable, Type
 
-from isort._future import dataclass, field
+from isort._future import dataclass
 from isort.main import _build_arg_parser
 from isort.settings import _DEFAULT_SETTINGS as config