Apply and improve reviewer's suggestions

codespell_lib/_codespell.py

@@ -303,15 +303,7 @@ def _split_lines(self, text: str, width: int) -> List[str]:
 
 def _toml_to_parseconfig(toml_dict: Dict[str, Any]) -> Dict[str, Any]:
     """Convert a dict read from a TOML file to the parseconfig.read_dict() format."""
-    parseconfig_dict = {}
-    for key, value in toml_dict.items():
-        if value is False:
-            pass
-        elif value is True:
-            parseconfig_dict[key] = ""
-        else:
-            parseconfig_dict[key] = value
-    return parseconfig_dict
+    return {k: "" if v is True else v for k, v in toml_dict.items() if v is not False}
 
 
 def parse_options(
@@ -579,9 +571,8 @@ def parse_options(
             for toml_file in toml_files:
                 with open(toml_file, "rb") as f:
                     data = tomllib.load(f).get("tool", {})
-                for tool, tool_dict in data.items():
-                    if tool == "codespell":  # only "codespell" for performance
-                        data[tool] = _toml_to_parseconfig(tool_dict)
+                if "codespell" in data:
+                    data["codespell"] = _toml_to_parseconfig(data["codespell"])
                 config.read_dict(data)
 
     # Collect which config files are going to be used