Update utils.py

utils.py

@@ -1,8 +1,11 @@
 from langchain.llms.base import LLM
 from typing import Optional, List, Mapping, Any
-import anthropic
+
+from anthropic import Anthropic, HUMAN_PROMPT, AI_PROMPT
+
 from urllib.parse import urlparse
 import os
+
 class ClaudeLLM(LLM):
 
     @property
@@ -13,24 +16,26 @@ class ClaudeLLM(LLM):
     def _call(self, prompt: str, stop: Optional[List[str]] = None) -> str:
 
 
-        client = anthropic.Client(os.environ['ANTHROPIC_KEY'])
+        client = Anthropic(
+            # defaults to os.environ.get("ANTHROPIC_API_KEY")
+            api_key= os.environ.get("ANTHROPIC_API_KEY"),
+        )
 
 
         # How about the formatted prompt?
         prompt_formatted = (
-        f"{anthropic.HUMAN_PROMPT}{prompt}\n{anthropic.AI_PROMPT}"
+        f"{HUMAN_PROMPT}{prompt}\n{AI_PROMPT}"
         )
 
-
-        response = client.completion(
-        prompt=prompt_formatted,
-        stop_sequences=[anthropic.HUMAN_PROMPT],
+        response = client.completions.create(
         model="claude-instant-v1-100k",
+        prompt=prompt_formatted,
+        stop_sequences=[HUMAN_PROMPT],
         max_tokens_to_sample=100000,
-        temperature=0.3,
+        temperature=0,
          )
 
-        return response["completion"]
+        return response.completion
 
     @property
     def _identifying_params(self) -> Mapping[str, Any]:
@@ -38,6 +43,7 @@ class ClaudeLLM(LLM):
         return {
 
         }
+        
 
 class ClaudeLLM2(LLM):