class_docstr: A Database connection.
class_docstr_tok: ["A","Database","connection","."]
code: def __enter__(self):
      return self
  
imports: import os
  from sys import stdout
  from collections import OrderedDict
  from contextlib import contextmanager
  from inspect import isclass
  import tablib
  from docopt import docopt
  from sqlalchemy import create_engine, exc, inspect, text
label_desc: Use image node_id 3 for calling the Connection obj's underlying member method code with example usage: obj.__enter__() and returns: self