diff --git a/backend/app.py b/backend/app.py
index 8f70fc2..f68f0a9 100644
--- a/backend/app.py
+++ b/backend/app.py
@@ -104,19 +104,19 @@ def storage_pools():
             lines = cfg.read_text()
             current = {}
             for line in lines.split("\n"):
-                line = line.strip()
-                if not line or line.startswith("#"):
+                stripped = line.strip()
+                if not stripped or stripped.startswith("#"):
                     continue
-                if ":" in line and not line.startswith(" "):
+                if ":" in stripped and not line.startswith(" "):
                     if current and current.get("name"):
                         pools.append(current)
-                    parts = line.split(":", 1)
+                    parts = stripped.split(":", 1)
                     stype = parts[0].strip()
                     sname = parts[1].strip() if len(parts) > 1 else ""
                     current = {"name": sname, "type": stype}
                 elif line.startswith(" ") and current:
-                    if " " in line:
-                        key, val = line.strip().split(" ", 1)
+                    if " " in stripped:
+                        key, val = stripped.split(" ", 1)
                         current[key] = val
             if current and current.get("name"):
                 pools.append(current)