Eliminate tenacity from dynamic import

lightrag/llm/azure_openai.py

@@ -4,8 +4,6 @@ import pipmaster as pm  # Pipmaster for dynamic library install
 # install specific modules
 if not pm.is_installed("openai"):
     pm.install("openai")
-if not pm.is_installed("tenacity"):
-    pm.install("tenacity")
 
 from openai import (
     AsyncAzureOpenAI,

lightrag/llm/bedrock.py

@@ -6,8 +6,6 @@ import pipmaster as pm  # Pipmaster for dynamic library install
 
 if not pm.is_installed("aioboto3"):
     pm.install("aioboto3")
-if not pm.is_installed("tenacity"):
-    pm.install("tenacity")
 import aioboto3
 import numpy as np
 from tenacity import (

lightrag/llm/hf.py

@@ -9,12 +9,8 @@ if not pm.is_installed("transformers"):
     pm.install("transformers")
 if not pm.is_installed("torch"):
     pm.install("torch")
-if not pm.is_installed("tenacity"):
-    pm.install("tenacity")
 if not pm.is_installed("numpy"):
     pm.install("numpy")
-if not pm.is_installed("tenacity"):
-    pm.install("tenacity")
 
 from transformers import AutoTokenizer, AutoModelForCausalLM
 from tenacity import (

lightrag/llm/lmdeploy.py

@@ -3,8 +3,6 @@ import pipmaster as pm  # Pipmaster for dynamic library install
 # install specific modules
 if not pm.is_installed("lmdeploy"):
     pm.install("lmdeploy[all]")
-if not pm.is_installed("tenacity"):
-    pm.install("tenacity")
 
 from lightrag.exceptions import (
     APIConnectionError,

lightrag/llm/ollama.py

@@ -10,9 +10,6 @@ import pipmaster as pm  # Pipmaster for dynamic library install
 # install specific modules
 if not pm.is_installed("ollama"):
     pm.install("ollama")
-if not pm.is_installed("tenacity"):
-    pm.install("tenacity")
-
 
 import ollama