Update requirements.txt

requirements.txt

@@ -1,11 +1,6 @@
-gradio==5.38.0
-pandas==2.2.3
-numpy==2.1.3
-nltk==3.9.1
-pypdf==5.1.0
-scikit-learn==1.5.2
-matplotlib==3.9.2
-seaborn==0.13.2
-wordcloud==1.9.3
-pillow==10.4.0
-sumy==0.11.0
+gradio>=5.0.0
+pandas>=2.0.0
+numpy>=2.0.0
+pypdf>=5.0.0
+scikit-learn>=1.4.0
+openai>=1.0.0