Update requirements.txt

requirements.txt

@@ -1,18 +1,14 @@
-# Usage: pip install -r requirements.txt
-
-# Base ----------------------------------------
-gradio==3.1.4
 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
+scipy>=1.4.1  # Google Colab version
+torch>=1.7.0
+torchvision>=0.8.1
 tqdm>=4.41.0
-protobuf<4.21.3
+protobuf<=3.20.1  # https://github.com/ultralytics/yolov5/issues/8012
 
 # Logging -------------------------------------
 tensorboard>=2.4.1
@@ -34,7 +30,4 @@ seaborn>=0.11.0
 # Extras --------------------------------------
 ipython  # interactive notebook
 psutil  # system utilization
-thop  # FLOPs computation
-# albumentations>=1.0.3
-# pycocotools>=2.0  # COCO mAP
-# roboflow
+thop  # FLOPs computation