Import csv / backports.csv from util module only

Signed-off-by: Philippe Ombredanne <[email protected]>

Author: pombredanne

src/attributecode/gen.py

@@ -35,18 +35,12 @@
 from attributecode import model
 from attributecode import util
 from attributecode.util import add_unc
-from attributecode.util import python2
+from attributecode.util import csv
 from attributecode.util import to_posix
 from attributecode.util import UNC_PREFIX_POSIX
 from attributecode.util import unique
 
 
-if python2:  # pragma: nocover
-    import backports.csv as csv  # NOQA
-else:  # pragma: nocover
-    import csv  # NOQA
-
-
 def check_duplicated_columns(location):
     """
     Return a list of errors for duplicated column names in a CSV file

src/attributecode/transform.py

@@ -26,17 +26,15 @@
 from attributecode import CRITICAL
 from attributecode import Error
 from attributecode import saneyaml
+from attributecode.util import csv
 from attributecode.util import python2
 
+
 if python2:  # pragma: nocover
     from itertools import izip_longest as zip_longest  # NOQA
-
-    import backports.csv as csv  # NOQA
 else:  # pragma: nocover
     from itertools import zip_longest  # NOQA
 
-    import csv  # NOQA
-
 
 def transform_csv_to_csv(location, output, transformer):
     """