Update tools.py

tools.py

@@ -7,6 +7,7 @@ from tool import *
 
 def drug_tools(llm: BaseLanguageModel, api_keys: dict = {}, verbose=True,  image_path = r"...", file_path = r"..."):
     serp_api_key = api_keys.get("SERP_API_KEY") or os.getenv("SERP_API_KEY")
+    openai_api_key = api_keys.get("OPENAI_API_KEY") or os.getenv("OPENAI_API_KEY")
     image_path = image_path 
     file_path = file_path
     semantic_scholar_api_key = api_keys.get("SEMANTIC_SCHOLAR_API_KEY") or os.getenv(
@@ -56,6 +57,7 @@ def make_tools(llm: BaseLanguageModel, api_keys: dict = {}, verbose=True,  image
     serp_api_key = api_keys.get("SERP_API_KEY") or os.getenv("SERP_API_KEY")
     image_path = image_path 
     file_path = file_path
+    openai_api_key = api_keys.get("OPENAI_API_KEY") or os.getenv("OPENAI_API_KEY")
     semantic_scholar_api_key = api_keys.get("SEMANTIC_SCHOLAR_API_KEY") or os.getenv(
         "SEMANTIC_SCHOLAR_API_KEY"
     )