coala: Ignore autopep8 for import workaroun

The coala script ignores some bears complaining about
code before imports.
autopep8 now also reports an error, so needs to be
added to the bear ignore list.

Closes coala#5834

coala

@@ -13,10 +13,10 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+# Start ignoring PEP8Bear*, PyImportSortBear and PycodestyleBear*, we need to
+# assert the version before importing things that could cause an ImportError
 import sys
 
-# Start ignoring PyImportSortBear and PycodestyleBear*, we need to assert the
-# version before importing things that could cause an ImportError
 from coalib import assert_supported_version
 
 assert_supported_version()