From ea9f9bf48f52fd63dedd3bbcb190913e3ea5cdd5 Mon Sep 17 00:00:00 2001
From: Noorhteen Raja NJ <jnoortheen@gmail.com>
Date: Fri, 28 May 2021 18:36:20 +0530
Subject: [PATCH] refactor: speed up getting stack frame (#4297)

---
 xonsh/execer.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/xonsh/execer.py b/xonsh/execer.py
index f6e54bb32..c74f163ee 100644
--- a/xonsh/execer.py
+++ b/xonsh/execer.py
@@ -128,7 +128,9 @@ class Execer(object):
             filename = self.filename
             self.filename = self._default_filename
         if glbs is None or locs is None:
-            frame = inspect.stack()[stacklevel][0]
+            frame = inspect.currentframe()
+            for _ in range(stacklevel):
+                frame = frame.f_back
             glbs = frame.f_globals if glbs is None else glbs
             locs = frame.f_locals if locs is None else locs
         ctx = set(dir(builtins)) | set(glbs.keys()) | set(locs.keys())