put flake8 options into separate file to remove pytest warnings

.flake8

@@ -0,0 +1,19 @@
+[flake8]
+
+max-line-length = 119
+ignore = W503
+
+exclude =
+# Exclude files that are meant to provide top-level imports
+# E402: Module level import not at top of file
+# F401: Module imported but unused
+    scrapy/__init__.py E402
+    scrapy/core/downloader/handlers/http.py F401
+    scrapy/http/__init__.py F401
+    scrapy/linkextractors/__init__.py E402 F401
+    scrapy/selector/__init__.py F401
+    scrapy/spiders/__init__.py E402 F401
+
+    # Issues pending a review:
+    scrapy/utils/url.py F403 F405
+    tests/test_loader.py E741

.gitignore

@@ -14,6 +14,8 @@ htmlcov/
 .coverage
 .pytest_cache/
 .coverage.*
+coverage.*
+test-output.*
 .cache/
 .mypy_cache/
 /tests/keys/localhost.crt

pytest.ini

@@ -20,20 +20,3 @@ addopts =
     --ignore=docs/utils
 markers =
     only_asyncio: marks tests as only enabled when --reactor=asyncio is passed
-flake8-max-line-length = 119
-flake8-ignore =
-    W503
-
-    # Exclude files that are meant to provide top-level imports
-    # E402: Module level import not at top of file
-    # F401: Module imported but unused
-    scrapy/__init__.py E402
-    scrapy/core/downloader/handlers/http.py F401
-    scrapy/http/__init__.py F401
-    scrapy/linkextractors/__init__.py E402 F401
-    scrapy/selector/__init__.py F401
-    scrapy/spiders/__init__.py E402 F401
-
-    # Issues pending a review:
-    scrapy/utils/url.py F403 F405
-    tests/test_loader.py E741