chore: remove dir before extract

apps/nginx/module-installer.py

@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import json
+import shutil
 import subprocess
 import sys
 from pathlib import Path
@@ -38,9 +39,12 @@ def download_and_unpack(url: str) -> str:
         print(f"File '{file_name}' already exists. Skipping download.")
     else:
         subprocess.call(["wget", url])
+    file_name_without_ext = file_name.rsplit(".", 2)[0]  # Remove .tar.gz
+    shutil.rmtree(
+        file_name_without_ext, ignore_errors=True
+    )  # Remove existing dir if exists
     print("Unpacking...")
     subprocess.call(["tar", "zxvf", file_name])
-    file_name_without_ext = file_name.rsplit(".", 2)[0]  # Remove .tar.gz
     print(f"Download and unpack complete: {file_name} to {file_name_without_ext}")
     return file_name_without_ext