Removed unused imports

setup.py

@@ -1,9 +1,5 @@
 #!/usr/bin/env python
 
-import os
-import re
-import sys
-
 from setuptools import find_packages, setup
 
 

src/tablib/formats/_df.py

@@ -6,8 +6,6 @@ try:
 except ImportError:
     DataFrame = None
 
-import tablib
-
 
 title = 'df'
 extensions = ('df', )

src/tablib/formats/_xls.py

@@ -6,7 +6,6 @@ from io import BytesIO
 import tablib
 import xlrd
 import xlwt
-from xlrd.biffh import XLRDError
 
 title = 'xls'
 extensions = ('xls',)

src/tablib/packages/dbfpy/header.py

@@ -22,7 +22,6 @@ __all__ = ["DbfHeader"]
 import io
 import datetime
 import struct
-import time
 import sys
 
 from . import fields