diff --git a/README.md b/README.md
index f742653c2f11..bd98c491e3d2 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,10 @@ Download MS COCO dataset images ([train](http://images.cocodataset.org/zips/trai
 
 The re-parameterization code and instruction will release soon.
 
+## Inference
+
+`python detect.py --weights yolov7.pt --conf 0.25 --img-size 640 --source inference/images/horses.jpg`
+
 ## Citation
 
 ```
diff --git a/detect.py b/detect.py
index 607386a244a9..53b63ebfb16f 100644
--- a/detect.py
+++ b/detect.py
@@ -16,7 +16,7 @@
 
 
 def detect(save_img=False):
-    source, weights, view_img, save_txt, imgsz, trace = opt.source, opt.weights, opt.view_img, opt.save_txt, opt.img_size, opt.trace
+    source, weights, view_img, save_txt, imgsz, trace = opt.source, opt.weights, opt.view_img, opt.save_txt, opt.img_size, not opt.no_trace
     save_img = not opt.nosave and not source.endswith('.txt')  # save inference images
     webcam = source.isnumeric() or source.endswith('.txt') or source.lower().startswith(
         ('rtsp://', 'rtmp://', 'http://', 'https://'))
@@ -128,6 +128,7 @@ def detect(save_img=False):
             if save_img:
                 if dataset.mode == 'image':
                     cv2.imwrite(save_path, im0)
+                    print(f" The image with the result is saved in: {save_path}")
                 else:  # 'video' or 'stream'
                     if vid_path != save_path:  # new video
                         vid_path = save_path
@@ -169,7 +170,7 @@ def detect(save_img=False):
     parser.add_argument('--project', default='runs/detect', help='save results to project/name')
     parser.add_argument('--name', default='exp', help='save results to project/name')
     parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment')
-    parser.add_argument('--trace', action='store_true', help='trace model')
+    parser.add_argument('--no-trace', action='store_true', help='don`t trace model')
     opt = parser.parse_args()
     print(opt)
     #check_requirements(exclude=('pycocotools', 'thop'))
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000000..6b71f216897c
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,39 @@
+# Usage: pip install -r requirements.txt
+
+# Base ----------------------------------------
+matplotlib>=3.2.2
+numpy>=1.18.5
+opencv-python>=4.1.1
+Pillow>=7.1.2
+PyYAML>=5.3.1
+requests>=2.23.0
+scipy>=1.4.1
+torch>=1.7.0,!=1.12.0
+torchvision>=0.8.1,!=0.13.0
+tqdm>=4.41.0
+protobuf<4.21.3
+
+# Logging -------------------------------------
+tensorboard>=2.4.1
+# wandb
+
+# Plotting ------------------------------------
+pandas>=1.1.4
+seaborn>=0.11.0
+
+# Export --------------------------------------
+# coremltools>=4.1  # CoreML export
+# onnx>=1.9.0  # ONNX export
+# onnx-simplifier>=0.3.6  # ONNX simplifier
+# scikit-learn==0.19.2  # CoreML quantization
+# tensorflow>=2.4.1  # TFLite export
+# tensorflowjs>=3.9.0  # TF.js export
+# openvino-dev  # OpenVINO export
+
+# Extras --------------------------------------
+ipython  # interactive notebook
+psutil  # system utilization
+thop  # FLOPs computation
+# albumentations>=1.0.3
+# pycocotools>=2.0  # COCO mAP
+# roboflow
diff --git a/test.py b/test.py
index 8478f5ef35be..569a5d1d82f6 100644
--- a/test.py
+++ b/test.py
@@ -303,7 +303,7 @@ def test(data,
     parser.add_argument('--project', default='runs/test', help='save to project/name')
     parser.add_argument('--name', default='exp', help='save to project/name')
     parser.add_argument('--exist-ok', action='store_true', help='existing project/name ok, do not increment')
-    parser.add_argument('--trace', action='store_true', help='trace model')
+    parser.add_argument('--no-trace', action='store_true', help='don`t trace model')
     opt = parser.parse_args()
     opt.save_json |= opt.data.endswith('coco.yaml')
     opt.data = check_file(opt.data)  # check file
@@ -324,7 +324,7 @@ def test(data,
              save_txt=opt.save_txt | opt.save_hybrid,
              save_hybrid=opt.save_hybrid,
              save_conf=opt.save_conf,
-             trace=opt.trace,
+             trace=not opt.no_trace,
              )
 
     elif opt.task == 'speed':  # speed benchmarks