Fix PEP8 warnings.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/documents/models.py

@@ -649,7 +649,7 @@ class DocumentVersion(models.Model):
                     self.mimetype, self.encoding = get_mimetype(
                         file_object=file_object
                     )
-            except:
+            except Exception:
                 self.mimetype = ''
                 self.encoding = ''
             finally:

mayan/apps/documents/tests/test_document_type_views.py

@@ -3,7 +3,7 @@ from __future__ import unicode_literals
 from ..literals import (
     DEFAULT_DELETE_PERIOD, DEFAULT_DELETE_TIME_UNIT
 )
-from ..models import Document, DocumentType
+from ..models import DocumentType
 from ..permissions import (
     permission_document_type_create, permission_document_type_delete,
     permission_document_type_edit, permission_document_type_view,
@@ -213,6 +213,6 @@ class DocumentTypeQuickLabelViewsTestCase(GenericDocumentViewTestCase):
             obj=self.document_type, permission=permission_document_type_view
         )
         response = self._request_quick_label_list_view()
-        self.assertContains(response, text=self.document_type_filename,
-            status_code=200
+        self.assertContains(
+            response, text=self.document_type_filename, status_code=200
         )

mayan/apps/documents/tests/test_models.py

@@ -1,10 +1,8 @@
 from __future__ import unicode_literals
 
 from datetime import timedelta
-import os
 import time
 
-from django.conf import settings
 from django.test import override_settings
 
 from common.tests import BaseTestCase
@@ -18,7 +16,7 @@ from .base import GenericDocumentTestCase
 from .literals import (
     TEST_DOCUMENT_TYPE_LABEL, TEST_DOCUMENT_PATH, TEST_MULTI_PAGE_TIFF_PATH,
     TEST_PDF_INDIRECT_ROTATE_PATH, TEST_OFFICE_DOCUMENT_PATH,
-    TEST_SMALL_DOCUMENT_FILENAME, TEST_SMALL_DOCUMENT_PATH
+    TEST_SMALL_DOCUMENT_PATH
 )