Bug fix (#111)

* Fix prompt formatting in Observation and add static method to Study class

* Update gradio version to 5.5 to fix DataFrame scrolling issue

Author: recursix

requirements.txt

@@ -16,7 +16,7 @@ contexttimer
 ipython
 pyyaml>=6
 pandas
-gradio>=5
+gradio>=5.5 # issue with DataFrame scrolling before 5.5
 gitpython # for the reproducibility script
 requests
 matplotlib