pep8 corrections

src/documents/consumer.py

@@ -362,7 +362,8 @@ class Consumer(object):
 
 def strip_excess_whitespace(text):
     collapsed_spaces = re.sub(r"([^\S\r\n]+)", " ", text)
-    no_leading_whitespace = re.sub("([\n\r]+)([^\S\n\r]+)", '\\1', collapsed_spaces)
+    no_leading_whitespace = re.sub(
+        "([\n\r]+)([^\S\n\r]+)", '\\1', collapsed_spaces)
     no_trailing_whitespace = re.sub("([^\S\n\r]+)$", '', no_leading_whitespace)
     return no_trailing_whitespace
 

src/documents/mail.py

@@ -14,7 +14,7 @@ from dateutil import parser
 from django.conf import settings
 
 from .consumer import Consumer
-from .models import Correspondent, Log
+from .models import Correspondent
 
 
 class MailFetcherError(Exception):

src/documents/management/commands/document_consumer.py

@@ -6,7 +6,6 @@ import time
 from django.conf import settings
 from django.core.management.base import BaseCommand, CommandError
 
-from ...models import Log
 from ...consumer import Consumer, ConsumerError
 from ...mail import MailFetcher, MailFetcherError
 

src/documents/tests/test_consumer.py

@@ -134,7 +134,7 @@ class TestAttributes(TestCase):
         )
 
 
-class Permutations(TestCase):
+class TestFieldPermutations(TestCase):
 
     valid_dates = (
         "20150102030405Z",
@@ -305,13 +305,28 @@ class Permutations(TestCase):
 
 
 class TestOCR(TestCase):
+
     text_cases = [
         ("simple     string", "simple string"),
-        ("simple    newline\n   testing string", "simple newline\ntesting string"),
-        ("utf-8   строка с пробелами в конце  ", "utf-8 строка с пробелами в конце")
+        (
+            "simple    newline\n   testing string",
+            "simple newline\ntesting string"
+        ),
+        (
+            "utf-8   строка с пробелами в конце  ",
+            "utf-8 строка с пробелами в конце"
+        )
     ]
 
     def test_strip_excess_whitespace(self):
         for source, result in self.text_cases:
             actual_result = strip_excess_whitespace(source)
-            assert result == actual_result, "strip_exceess_whitespace(%s) != '%s', but '%s'" % (source, result, actual_result)
+            self.assertEqual(
+                result,
+                actual_result,
+                "strip_exceess_whitespace({}) != '{}', but '{}'".format(
+                    source,
+                    result,
+                    actual_result
+                )
+            )