docs: def create_env(env_file):
      """Create environ dictionary from current os.environ and
      variables got from given `env_file`"""
  
      environ = {}
      with open(env_file, 'r') as f:
          for line in f.readlines():
              line = line.rstrip(os.linesep)
              if '=' not in line:
                  continue
              if line.startswith('#'):
                  continue
              key, value = line.split('=', 1)
              environ[key] = parse_value(value)
      return environ