pylint cleanup; remove unused imports.

svn: r19521

src/plugins/gramplet/EditExifMetadata.py

@@ -27,15 +27,12 @@
 # *****************************************************************************
 import os
 import datetime
-import calendar
 import time
 from PIL import Image
 
 # abilty to escape certain characters from output
 from xml.sax.saxutils import escape as _html_escape
 
-from itertools import chain
-
 from decimal import Decimal, getcontext
 getcontext().prec = 6
 from fractions import Fraction
@@ -72,8 +69,6 @@ from PlaceUtils import conv_lat_lon
 
 from gen.db import DbTxn
 
-from ListModel import ListModel
-
 import pyexiv2
 
 # v0.1 has a different API to v0.2 and above