Update requirements.txt

requirements.txt

@@ -1,9 +1,9 @@
 -f https://download.pytorch.org/whl/cu113/torch_stable.html
 torch>=1.10.2+cu113
-gdown~=4.3.1
-nltk~=3.7
-streamlit~=1.6.0
-transformers~=4.16.2
-pytorch-lightning~=1.5.10
-sentencepiece~=0.1.96
-protobuf~=3.19.4
+gdown==4.3.1
+nltk==3.7
+streamlit==1.6.0
+transformers==4.16.2
+pytorch-lightning==1.5.10
+sentencepiece==0.1.96
+protobuf==3.19.4