Update vlog4chat.py

vlog4chat.py

@@ -51,8 +51,6 @@ Chat History:
 Follow Up Input: {question}
 Standalone question:"""
 
-os.environ["TOGETHER_API_KEY"] = "48bf2536f85b599c7d5d7f9921cc9ee7056f40ed535fd2174d061e1b9abcf8af"
-
 def get_prompt(instruction, new_system_prompt=DEFAULT_SYSTEM_PROMPT ):
     SYSTEM_PROMPT = B_SYS + new_system_prompt + E_SYS
     prompt_template =  B_INST + SYSTEM_PROMPT + instruction + E_INST
@@ -70,7 +68,7 @@ class TogetherLLM(LLM):
     model: str = "togethercomputer/llama-2-70b-chat"
     """model endpoint to use"""
 
-    together_api_key: str = os.environ["TOGETHER_API_KEY"]
+    together_api_key: str = os.getenv["TOGETHER_API_KEY"]
     """Together API key"""
 
     temperature: float = 0.7
@@ -131,7 +129,7 @@ class Vlogger4chat :
     def init_llm(self):
         print('\033[1;33m' + "Initializing LLM Reasoner...".center(50, '-') + '\033[0m')
         self.llm = TogetherLLM(
-            model= os.getenv('Your_Model_Name'),
+            model= os.getenv("Your_Model_Name"),
             temperature=0.1,
             max_tokens=768
         )