Ethereum API Connection Issues: ImportError cannot import name ‘AsyncClient’ from ‘binance.client’
The error message you are seeing suggests that there is a compatibility issue with the Binance API client library in your Python project. The ‘AsyncClient’ class, which is part of the Binance API, cannot be imported due to a name conflict.
What happens behind the scenes:
When you import the Client
class from binance.client
, it imports all classes and functions defined in that module, including classes or functions with the same name as an existing module in your project. In this case, the Binance API client library has a Client' class named after the error message.
Solution:
To resolve this issue, you need to import theAsyncClient’ class from the correct location. Since it is not part of the Binance API library, you will need to create your own custom implementation of an asynchronous client.
Step by Step Solution:
- Create a new file for your class. custom AsyncClient:
my_async_client.pyimport asyncio
class MyAsyncClient:
async def get_exchange(self):
Simulate an API call with asynchronous data retrievalreturn await self._make_request()
- Update the Binance API client import:
Replace the original import declaration with a reference to this custom class “MyAsyncClient”:
my_async_client.py (continued)from binance.client import Client as BaseClient
class MyAsyncClient(BaseClient):
async def get_exchange(self):
Simulate an API call with asynchronous data retrievalreturn await self._make_request()
Note the alias “BaseClient”, which allows you to use your custom implementation of an asynchronous client.
- Import and instantiate the custom AsyncClient client:
my_async_client.py (continued)from my_async_client import MyAsyncClient
api_key = "your_api_key_here"
async_client = MyAsyncClient(api_key)
async def main():
Use the async client to retrieve data from the Binance APIexchange_data = await api_client.get_exchange()
print(exchange_data)
- Run the Python script:
Create a new file for your project (e.g. main.py
) and paste this code:
main.pyfrom binance.client import Client
async def main():
Instantiate the custom async client with your key. APIapi_client = MyAsyncClient(api_key="your_api_key_here")
Use the asynchronous client to retrieve data from the Binance APIexchange_data = await api_client.get_exchange()
print(exchange_data)
if __name__ == "__main__":
main()
Run this script using your preferred Python interpreter and environment.
Note:
- This is only a temporary solution to resolve the import error. Ultimately, you should refactor your code to avoid naming conflicts in future projects.
- Make sure to update all instances of
binance.client
with your own custom implementation of an asynchronous client (in this example,MyAsyncClient
) when working with the Binance API.
By following these steps, you should be able to resolve the ImportError and successfully connect to the Binance API.