fix: lint command with nested spaced strings

aider/linter.py

@@ -11,6 +11,7 @@ from grep_ast import TreeContext, filename_to_lang
 from tree_sitter_languages import get_parser  # noqa: E402
 
 from aider.dump import dump  # noqa: F401
+from aider.run_cmd import run_cmd_subprocess  # noqa: F401
 
 # tree_sitter is throwing a FutureWarning
 warnings.simplefilter("ignore", category=FutureWarning)
@@ -44,26 +45,22 @@ class Linter:
 
     def run_cmd(self, cmd, rel_fname, code):
         cmd += " " + rel_fname
-        cmd = cmd.split()
 
+        returncode = 0
+        stdout = ""
         try:
-            process = subprocess.Popen(
+            returncode, stdout = run_cmd_subprocess(
                 cmd,
-                stdout=subprocess.PIPE,
-                stderr=subprocess.STDOUT,
-                encoding=self.encoding,
-                errors="replace",
                 cwd=self.root,
+                encoding=self.encoding,
             )
         except OSError as err:
             print(f"Unable to execute lint command: {err}")
             return
-        stdout, _ = process.communicate()
         errors = stdout
-        if process.returncode == 0:
+        if returncode == 0:
             return  # zero exit status
 
-        cmd = " ".join(cmd)
         res = f"## Running: {cmd}\n\n"
         res += errors