title: Python3 logging yaml configuration
body: <p>I am new in python. I am trying to import logging configuration defined in yaml.
  I obtain error:</p>
  
  <pre><code>Traceback (most recent call last):
    File "D:/python_3/db_interact/dbInteract.py", line 200, in &lt;module&gt;
      logging.config.fileConfig('conf/logging.yaml')
    File "C:\Programs\Python\Python36\lib\logging\config.py", line 74, in fileConfig
      cp.read(fname)
    File "C:\Programs\Python\Python36\lib\configparser.py", line 697, in read
      self._read(fp, filename)
    File "C:\Programs\Python\Python36\lib\configparser.py", line 1080, in _read
      raise MissingSectionHeaderError(fpname, lineno, line)
  configparser.MissingSectionHeaderError: File contains no section headers.
  file: 'conf/logging.yaml', line: 1
  'version: 1\n'
  </code></pre>
  
  <p>I import configuration using:</p>
  
  <pre><code>logging.config.fileConfig('conf/logging.yaml')
  </code></pre>
  
  <p>My configuration is:</p>
  
  <pre><code>version: 1
  disable_existing_loggers: true
  formatters:
    simple:
      format: '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
  handlers:
    console:
      class: logging.StreamHandler
      level: INFO
      formatter: simple
      stream: ext://sys.stdout
    file:
      class: logging.FileHandler
      level: DEBUG
      filename: logs/dbInteract.log
  loggers:
    simpleExample:
      level: DEBUG
      handlers: [console]
      propagate: no
  root:
    level: DEBUG
    handlers: [console,file]
  </code></pre>
  
  <p>I use python 3.6.4.
  Thanks</p>