From 1f1ec1c3e7bf0bacb2fbba319e2fa9ebf4e83125 Mon Sep 17 00:00:00 2001
From: Glenn Jocher <glenn.jocher@ultralytics.com>
Date: Sat, 23 Apr 2022 09:36:36 -0700
Subject: [PATCH] Restrict TRT autoinstall to Linux-only (#7549)

May partially resolve concerns in https://github.com/ultralytics/yolov5/pull/7537#discussion_r856843711
---
 export.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/export.py b/export.py
index d7aff0d4b4e1..3b85dfc27f27 100644
--- a/export.py
+++ b/export.py
@@ -218,7 +218,8 @@ def export_engine(model, im, file, train, half, simplify, workspace=4, verbose=F
     # YOLOv5 TensorRT export https://developer.nvidia.com/tensorrt
     try:
         assert im.device.type != 'cpu', 'export running on CPU but must be on GPU, i.e. `python export.py --device 0`'
-        check_requirements(('nvidia-tensorrt',), cmds=('-U --index-url https://pypi.ngc.nvidia.com',))
+        if platform.system() == 'Linux':
+            check_requirements(('nvidia-tensorrt',), cmds=('-U --index-url https://pypi.ngc.nvidia.com',))
         import tensorrt as trt
 
         if trt.__version__[0] == '7':  # TensorRT 7 handling https://github.com/ultralytics/yolov5/issues/6012