class HashMismatch(ValueError):
    """
    Raised when the incoming hash of a file does not match the expected.
    """

from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals


class HashMismatch(ValueError):
    """
    Raised when the incoming hash of a file does not match the expected.
    """

Bring the standard imports over
Bring the standard imports over

+ from __future__ import absolute_import
+ from __future__ import division
+ from __future__ import unicode_literals
+ 
+ 
  class HashMismatch(ValueError):
      """
      Raised when the incoming hash of a file does not match the expected.
      """
  
Bring the standard imports over
## Code Before:
class HashMismatch(ValueError):
    """
    Raised when the incoming hash of a file does not match the expected.
    """

## Instruction:
Bring the standard imports over
## Code After:
from __future__ import absolute_import
from __future__ import division
from __future__ import unicode_literals


class HashMismatch(ValueError):
    """
    Raised when the incoming hash of a file does not match the expected.
    """
