Update core_agent.py

core_agent.py

@@ -14,8 +14,8 @@ from dotenv import load_dotenv
 from langchain_google_genai import ChatGoogleGenerativeAI
 from langchain_core.messages import HumanMessage, SystemMessage
 from langchain_core.tools import tool
-from langchain.agents import AgentExecutor, create_tool_calling_agent
 from langchain_core.prompts import ChatPromptTemplate, MessagesPlaceholder
+from langchain.agents import AgentExecutor, create_tool_calling_agent
 from langchain_community.chat_message_histories import ChatMessageHistory
 
 warnings.filterwarnings("ignore")
@@ -405,4 +405,4 @@ def make_plotly_chart(chart_type, df, profile, x_col=None, y_col=None, color_col
     fig.update_layout(paper_bgcolor=DARK_BG, plot_bgcolor=CARD_BG,
                       font=dict(family="DM Sans, sans-serif", color="#E0E0FF"),
                       margin=dict(l=40, r=40, t=60, b=40))
-    return fig
+    return fig