From f7c7496cfd700ab00a1bb5c2f96be137ea343e1c Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <jan@mpxd.net>
Date: Sat, 30 Mar 2024 17:41:23 -0700
Subject: [PATCH] get_path should return None on failure

---
 mem_edit/linux.py | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/mem_edit/linux.py b/mem_edit/linux.py
index e6e92ad..80d6e0c 100644
--- a/mem_edit/linux.py
+++ b/mem_edit/linux.py
@@ -78,12 +78,12 @@ class Process(AbstractProcess):
             mem.readinto(read_buffer)
         return read_buffer
 
-    def get_path(self) -> str:
+    def get_path(self) -> str | None:
         try:
-            with open('/proc/{}/cmdline', 'rb') as f:
-                return f.read().decode().split('\x00')[0]
+            with open(f'/proc/{self.pid}/cmdline', 'rb') as ff:
+                return ff.read().decode().split('\x00')[0]
         except FileNotFoundError:
-            return ''
+            return None
 
     @staticmethod
     def list_available_pids() -> list[int]: