Update requirements.txt

requirements.txt

@@ -1,10 +1,19 @@
+# Core dependencies
 flask==2.3.3
 flask-cors==4.0.0
-transformers==4.35.0
-torch==2.1.0
-Pillow==10.1.0
 requests==2.31.0
+Pillow==10.1.0
 numpy==1.24.3
-opencv-python-headless==4.8.1.78
+
+# Hugging Face dependencies with version constraints
+transformers==4.35.2
+torch==2.1.0
 accelerate==0.24.1
-safetensors==0.4.1
+safetensors==0.4.1
+huggingface-hub==0.20.3  # Pinned to version <1.0
+
+# Video generation
+opencv-python-headless==4.8.1.78
+
+# Development
+python-dotenv==1.0.0