Update app.py

app.py

@@ -56,7 +56,10 @@ from langchain.memory import ConversationSummaryBufferMemory,ConversationBufferM
 
 from langchain.schema import Document
 
-
+openai_api_key = os.environ['openai_key']
+google_api_key = os.environ['gemini_key']
+HF_key = os.environ['HF_token']
+cohere_api_key = os.environ['cohere_api']
 
 
 def langchain_document_loader():
@@ -361,10 +364,7 @@ def get_environment_variable(key):
         value = getpass(f"Insert your {key}")
     return value
 
-openai_api_key = os.environ['openai_key']
-google_api_key = os.environ['gemini_key']
-HF_key = os.environ['HF_token']
-cohere_api_key = os.environ['cohere_api']
+