Update requirements.txt

requirements.txt

@@ -1,4 +1,22 @@
-gradio
-transformers
-PyPDF2
-torch
+# Core dependencies
+torch>=2.0.0
+transformers>=4.30.0
+gradio>=4.0.0
+
+# PDF Processing
+PyMuPDF>=1.22.3  # Better PDF text extraction
+PyPDF2>=3.0.0    # Backup PDF processing
+
+# NLP and Text Processing
+nltk>=3.8.1
+regex>=2023.5.5
+
+# Utils
+tqdm>=4.65.0
+typing>=3.7.4.3
+numpy>=1.24.0
+pandas>=2.0.0
+
+# Optional but recommended for better performance
+scikit-learn>=1.2.0  # For text preprocessing utilities
+python-Levenshtein>=0.21.0  # For better string matching