Fix indentation and linting issues

- Fixed tab/space inconsistencies in client.py and __init__.py
- Renamed ambiguous variable 'l' to 'line'
- All ruff checks now passing

__init__.py

@@ -284,7 +284,7 @@ class Mem0LocalMemoryProvider(MemoryProvider):
                         if r.get("text") or r.get("memory")
                     ]
                     with self._prefetch_lock:
-                        self._prefetch_result = "\n".join(f"- {l}" for l in lines)
+                        self._prefetch_result = "\n".join(f"- {line}" for line in lines)
                 self._record_success()
             except Exception as e:
                 self._record_failure()
@@ -353,7 +353,7 @@ class Mem0LocalMemoryProvider(MemoryProvider):
                 return json.dumps({"result": "\n".join(lines), "count": len(lines)})
             except Exception as e:
                 self._record_failure()
-              return tool_error(f"Failed to fetch profile: {e}")
+                return tool_error(f"Failed to fetch profile: {e}")
 
         elif tool_name == "mem0_search":
             query = args.get("query", "")
@@ -371,7 +371,13 @@ class Mem0LocalMemoryProvider(MemoryProvider):
                 self._record_success()
                 if not results:
                     return json.dumps({"result": "No relevant memories found."})
-                items = [{"memory": r.get("text") or r.get("memory", ""), "score": r.get("score", 0)} for r in results]
+                items = [
+                    {
+                        "memory": r.get("text") or r.get("memory", ""),
+                        "score": r.get("score", 0),
+                    }
+                    for r in results
+                ]
                 return json.dumps({"results": items, "count": len(items)})
             except Exception as e:
                 self._record_failure()