Thanks a lot for sharing your code snippet. Helped me a lot to copy some notebooks into our fileshare.
 
from databricks.sdk import WorkspaceClient
from databricks.sdk.service import workspace
import base64
 
def notebook_reader(file_location😞
    databricksURL = dbutils.notebook.entry_point.getDbutils().notebook().getContext().apiUrl().getOrElse(None)
    myToken = dbutils.notebook.entry_point.getDbutils().notebook().getContext().apiToken().getOrElse(None)
    w = WorkspaceClient(host=databricksURL, token=myToken)
    export_response = w.workspace.export(file_location, format=workspace.ExportFormat.SOURCE)
    return base64.b64decode(export_response.content)