Update requirements.txt

requirements.txt

@@ -1,8 +1,7 @@
-gradio==2.2.7
-detectron2 @ https://dl.fbaipublicfiles.com/detectron2/wheels/cu102/torch1.9/index.html
-numpy==1.20.3
-opencv-python-headless==4.5.3.56
-Pillow==8.3.2
-torch==1.9.0
-torchvision==0.10.0
-langchain==0.1.5
+gradio
+numpy
+opencv-python-headless
+Pillow
+torch
+torchvision
+langchain