docstr: Get the list of column names for the photos table.
  
  Returns:
      list: A list of column names for the photos table.
docstr_tok: ["Get","the","list","of","column","names","for","the","photos","table",".","Returns",":","list",":","A","list","of","column","names","for","the","photos","table","."]
code: def get_columns(self):
      """Get the list of column names for the photos table.
  
      Returns:
          list: A list of column names for the photos table.
      """
      return [
          "id",
          "is_blessed",
          "album",
          "caption",
          "published_date",
          "images",
          "source",
          "user",
      ]
  
imports: import pandas
  from mindsdb.integrations.libs.api_handler import APITable
  from mindsdb_sql.parser import ast
  from mindsdb.integrations.utilities.sql_utils import extract_comparison_conditions
label_desc: Use image node_id 2 for calling the PhotosTable obj's underlying member method code with example usage: obj.get_columns() and returns: list