got rid of calculator

app.py

@@ -9,7 +9,6 @@ from langchain_huggingface import ChatHuggingFace, HuggingFaceEndpoint
 from langchain_community.tools import DuckDuckGoSearchRun
 from langchain.agents import initialize_agent
 from langchain_core.prompts import ChatPromptTemplate
-from langchain_community.tools.calculator.tool import Calculator
 
 
 # --- Constants ---
@@ -25,7 +24,6 @@ You are GAIA-Bot, a fully-autonomous problem-solver.
 You have access to these tools:
 - gaia_file_fetch    – download the file attached to the current task_id.
 - duckduckgo_search  – look up current facts on the public web.
-- calculator          – evaluate math expressions, percentages, date differences.
 
 If you require a file attached to the current task, download it with
 `requests_get("https://agents-course-unit4-scoring.hf.space/files/{task_id}")`
@@ -77,7 +75,6 @@ class BasicAgent:
         tools = [
             gaia_file_fetch,
             DuckDuckGoSearchRun(),
-            Calculator()
         ]
 
         prompt = ChatPromptTemplate.from_messages([