diff --git a/scripts/prepare-flatpak-release.py b/scripts/prepare-flatpak-release.py
index 9deec6319..72ef42381 100644
--- a/scripts/prepare-flatpak-release.py
+++ b/scripts/prepare-flatpak-release.py
@@ -1,52 +1,61 @@
 import hashlib
 import argparse
 import sys
+import os
 
 FLATID = "io.github.zen_browser.zen"
 
 def get_sha256sum(filename):  
-    """Calculate the SHA256 checksum of a file."""
-    sha256 = hashlib.sha256()
+  """Calculate the SHA256 checksum of a file."""
+  sha256 = hashlib.sha256()
+  try:
     with open(filename, "rb") as f:
-        for byte_block in iter(lambda: f.read(4096), b""):
-            sha256.update(byte_block)
-    return sha256.hexdigest()
+      for byte_block in iter(lambda: f.read(4096), b""):
+        sha256.update(byte_block)
+  except FileNotFoundError:
+    print(f"File {filename} not found.")
+    sys.exit(1)
+  return sha256.hexdigest()
 
 def build_template(template, linux_sha256, flatpak_sha256, version):
-    print(f"Building template with version {version}")
-    print(f"\tLinux archive sha256: {linux_sha256}")
-    print(f"\tFlatpak archive sha256: {flatpak_sha256}")
-    return template.format(linux_sha256=linux_sha256, 
-                          flatpak_sha256=flatpak_sha256,
-                          version=version)
+  """Build the template with the provided hashes and version."""
+  print(f"Building template with version {version}")
+  print(f"\tLinux archive sha256: {linux_sha256}")
+  print(f"\tFlatpak archive sha256: {flatpak_sha256}")
+  return template.format(
+    linux_sha256=linux_sha256,
+    flatpak_sha256=flatpak_sha256,
+    version=version
+  )
 
 def get_template(template_root):
-    file = f"{template_root}/{FLATID}.yml.template"
-    print(f"Reading template {file}")
-    try:
-        with open(file, "r") as f:
-            return f.read()
-    except FileNotFoundError:
-        print(f"Template {file} not found")
-        sys.exit(1)
+  """Get the template content from the specified root directory."""
+  file = os.path.join(template_root, f"{FLATID}.yml.template")
+  print(f"Reading template {file}")
+  try:
+    with open(file, "r") as f:
+      return f.read()
+  except FileNotFoundError:
+    print(f"Template {file} not found.")
+    sys.exit(1)
 
 def main():
-    parser = argparse.ArgumentParser(description='Prepare flatpak release')
-    parser.add_argument('--version', help='Version of the release', required=True)
-    parser.add_argument('--linux-archive', help='Linux archive', required=True)
-    parser.add_argument('--flatpak-archive', help='Flatpak archive', required=True)
-    parser.add_argument('--output', help='Output file', default=f"{FLATID}.yml")
-    parser.add_argument('--template-root', help='Template root', default="flatpak")
-    args = parser.parse_args()
+  """Main function to parse arguments and process files."""
+  parser = argparse.ArgumentParser(description='Prepare flatpak release')
+  parser.add_argument('--version', help='Version of the release', required=True)
+  parser.add_argument('--linux-archive', help='Linux archive', required=True)
+  parser.add_argument('--flatpak-archive', help='Flatpak archive', required=True)
+  parser.add_argument('--output', help='Output file', default=f"{FLATID}.yml")
+  parser.add_argument('--template-root', help='Template root', default="flatpak")
+  args = parser.parse_args()
 
-    linux_sha256 = get_sha256sum(args.linux_archive)
-    flatpak_sha256 = get_sha256sum(args.flatpak_archive)
-    template = build_template(get_template(args.template_root), linux_sha256, flatpak_sha256, args.version)
+  linux_sha256 = get_sha256sum(args.linux_archive)
+  flatpak_sha256 = get_sha256sum(args.flatpak_archive)
+  template = build_template(get_template(args.template_root), linux_sha256, flatpak_sha256, args.version)
 
-    print(f"Writing output to {args.output}")
-    with open(args.output, "w") as f:
-        f.write(template)
+  print(f"Writing output to {args.output}")
+  with open(args.output, "w") as f:
+    f.write(template)
 
 if __name__ == "__main__":
-    main()
-
+  main()