Update app.py

app.py

@@ -12,6 +12,9 @@ import logging
 import re
 import json
 from datetime import datetime
+
+current_time = datetime.now()
+
 from typing import Annotated, Sequence, TypedDict, List, Optional, Any, Type
 from pydantic import BaseModel, Field
 
@@ -62,7 +65,6 @@ metrics_logger = setup_metrics_logger()
 
 def log_metric(message):
     """Log a human-readable metric message with automatic timestamp"""
-    current_time = datetime.now()
     timestamped_message = f"{message} | Logged: {current_time:%Y-%m-%d %H:%M:%S}"
     metrics_logger.info(timestamped_message)
     logger.info(timestamped_message)  # Also log to console using info.logger
@@ -264,7 +266,6 @@ class Qwen25SmallLLM(Runnable):
         super().__init__()
         logger.info(f"Loading model: {model_path} (use_4bit={use_4bit})")
         start_Loading_Model_time = time.perf_counter()
-        current_time = datetime.now()
 
         try:
             # Load tokenizer
@@ -370,7 +371,6 @@ class Educational_Agent:
     
     def __init__(self):
         start_init_and_langgraph_time = time.perf_counter()
-        current_time = datetime.now()
         
         self.llm = Qwen25SmallLLM(model_path="Qwen/Qwen2.5-1.5B-Instruct", use_4bit=True)
         self.tool_decision_engine = Tool_Decision_Engine(self.llm)
@@ -407,7 +407,6 @@ class Educational_Agent:
         def call_model(state: EducationalAgentState) -> dict:
             """Call the model with tool decision logic"""
             start_call_model_time = time.perf_counter()
-            current_time = datetime.now()
             
             messages = state["messages"]
             
@@ -504,7 +503,6 @@ Otherwise, provide a regular educational response.
         def handle_tools(state: EducationalAgentState) -> dict:
             """Handle tool execution"""
             start_handle_tools_time = time.perf_counter()
-            current_time = datetime.now()
             
             try:
                 messages = state["messages"]
@@ -575,9 +573,7 @@ Otherwise, provide a regular educational response.
     
     def chat(self, message: str, thread_id: str = "default") -> str:
         """Main chat interface"""
-        start_chat_time = time.perf_counter()
-        current_time = datetime.now()
-        
+        start_chat_time = time.perf_counter()    
         try:
             config = {"configurable": {"thread_id": thread_id}}