Fix linting issues - remove unused imports and whitespace

Co-authored-by: VinciGit00 <[email protected]>

Author: Copilot

scrapegraphai/graphs/abstract_graph.py

@@ -5,7 +5,6 @@
 import asyncio
 import uuid
 import warnings
-import time
 from abc import ABC, abstractmethod
 from typing import Optional, Type
 
@@ -16,7 +15,6 @@
 from ..helpers import models_tokens
 from ..models import CLoD, DeepSeek, Nvidia, OneApi, XAI
 from ..utils.logging import set_verbosity_info, set_verbosity_warning, get_logger
-from ..telemetry import log_graph_execution
 
 logger = get_logger(__name__)
 

scrapegraphai/models/nvidia.py

@@ -20,8 +20,8 @@ def __new__(cls, **llm_config):
                 """The langchain_nvidia_ai_endpoints module is not installed.
                               Please install it using `pip install langchain-nvidia-ai-endpoints`."""
             )
-        
+
         if "api_key" in llm_config:
             llm_config["nvidia_api_key"] = llm_config.pop("api_key")
-        
+
         return ChatNVIDIA(**llm_config)