code: def _url(self, path: str) -> str:
      return f"{self.base_url}/{path.lstrip('/')}"
  
file_path: dstack/src/dstack/_internal/server/services/gateways/client.py
imports: import requests
  from dstack._internal.core.errors import GatewayError
  from dstack._internal.core.models.runs import Job, JobProvisioningData
label_desc: Use image node_id 6 for calling the GatewayClient obj's underlying member method code with example usage: obj._url(path) and returns: self, str, path