Marc Ford mfdeux

## on_disk_collection.py
import collections
import json
import os
import pathlib
import functools

class StoreDoesNotExistError(Exception):
    """
    Exception raised when specified store does not exist
    """

## on_disk_mapping.py
import collections
import json
import os
import pathlib
import functools

class StoreDoesNotExistError(Exception):
    """
    Exception raised when specified store does not exist
    """
	import collections
	import json
	import os
	import pathlib
	import functools

	class StoreDoesNotExistError(Exception):
	"""
	Exception raised when specified store does not exist
	"""