Fix flake8 errors

Author: rmk135

Makefile

@@ -2,13 +2,14 @@ clean:
 	find src -type f -name "*.py[co]" -delete
 	find src -type d -name "__pycache__" -delete
 
+lint: clean
+	flake8 src/newsfeed tests
+	mypy -p newsfeed
+
 test: clean
 	py.test tests/unit --cov=src/
 
 integration-test:
 	python scripts/integration_check.py
 	echo "Tests passed"
 
-lint: clean
-	flake8 src/newsfeed tests
-	mypy -p newsfeed

setup.cfg

@@ -1,6 +1,8 @@
 [flake8]
 max_line_length = 120
 max_complexity = 10
+ignore = D101,D102,D103
+exclude = tests/api/*
 
 [mypy]
 mypy_path = src/

src/newsfeed/domain/error.py

@@ -2,9 +2,7 @@
 
 
 class DomainError(Exception):
-    """Domain error."""
 
     @property
     def message(self) -> str:
-        """Return error message."""
-        return f'Domain error'
+        return 'Domain error'

src/newsfeed/domain/subscription.py

@@ -2,7 +2,7 @@
 
 from __future__ import annotations
 
-from typing import  Dict, List, Tuple, Any
+from typing import Dict, List, Tuple, Any
 from uuid import UUID, uuid4
 from datetime import datetime
 

tests/unit/webapi/handlers/test_events.py

@@ -94,7 +94,7 @@ async def test_post_events(web_client, container):
 async def test_post_event_with_abnormally_long_newsfeed_id(web_client, container):
     """Check events posting handler."""
     newsfeed_id_max_length = container.newsfeed_id_specification().max_length
-    newsfeed_id = 'x'*(newsfeed_id_max_length + 1)
+    newsfeed_id = 'x' * (newsfeed_id_max_length + 1)
 
     response = await web_client.post(
         f'/newsfeed/{newsfeed_id}/events/',

tests/unit/webapi/handlers/test_subscriptions.py

@@ -96,7 +96,7 @@ async def test_post_subscription_to_self(web_client, container):
 async def test_post_subscription_with_abnormally_long_newsfeed_id(web_client, container):
     """Check subscriptions posting handler."""
     newsfeed_id_max_length = container.newsfeed_id_specification().max_length
-    newsfeed_id = 'x'*(newsfeed_id_max_length + 1)
+    newsfeed_id = 'x' * (newsfeed_id_max_length + 1)
 
     response = await web_client.post(
         f'/newsfeed/{newsfeed_id}/subscriptions/',
@@ -121,7 +121,7 @@ async def test_post_subscription_with_abnormally_long_to_newsfeed_id(web_client,
     newsfeed_id = '124'
 
     newsfeed_id_max_length = container.newsfeed_id_specification().max_length
-    to_newsfeed_id = 'x'*(newsfeed_id_max_length + 1)
+    to_newsfeed_id = 'x' * (newsfeed_id_max_length + 1)
 
     response = await web_client.post(
         f'/newsfeed/{newsfeed_id}/subscriptions/',