L2 ConnectionError : Max retries exceeded with url: /encodings/cl100k_base.tiktoken

Short Course Q&A LangChain for LLM Application Development
1

i got connection error when running anything concerning tokens with memory

memory = ConversationTokenBufferMemory(llm=llm, max_token_limit=50)
memory.save_context({"input": "AI is what?!"},
                    {"output": "Amazing!"})

error: ConnectionError: HTTPSConnectionPool(host=‘openaipublic.blob.core.windows.net’, port=443): Max retries exceeded with url: /encodings/cl100k_base.tiktoken (Caused by NewConnectionError(‘<urllib3.connection.HTTPSConnection object at 0x000001DA3BD62180>: Failed to establish a new connection: [WinError 10061] No connection could be made because the target machine actively refused it’))