chore: address new Ruff PLC0207 lints (#1409)

Author: Copilot

openapi_python_client/__init__.py

@@ -126,7 +126,7 @@ def _run_post_hooks(self) -> None:
             self._run_command(command)
 
     def _run_command(self, cmd: str) -> None:
-        cmd_name = cmd.split(" ")[0]
+        cmd_name = cmd.split(" ", maxsplit=1)[0]
         command_exists = shutil.which(cmd_name)
         if not command_exists:
             self.errors.append(

openapi_python_client/parser/properties/schemas.py

@@ -50,7 +50,7 @@ def get_reference_simple_name(ref_path: str) -> str:
     """
     Takes a path like `/components/schemas/NameOfThing` and returns a string like `NameOfThing`.
     """
-    return ref_path.split("/")[-1]
+    return ref_path.rsplit("/", maxsplit=1)[-1]
 
 
 @define