Update app.py

obtaining the subject of a sentence

app.py

@@ -3,20 +3,27 @@ import datetime
 import requests
 import pytz
 import yaml
+import spacy
 from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
+def my_custom_tool(sentence:str)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
     """A tool that does nothing yet 
     Args:
         arg1: the first argument
         arg2: the second argument
     """
-    return "What magic will you build ?"
+    nlp = spacy.load("en_core_web_sm")
+    doc = nlp(sentence)
+
+    for token in doc:
+    if token.dep_ in ("nsubj", "nsubjpass"):
+        return "Subject:", token.text
+
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: