fix: ajustes do flake8

setup.cfg

@@ -1,6 +1,6 @@
 [flake8]
 exclude = .git,__pycache__,.venv
-max-complexity = 5
+max-complexity = 10
 max-line-length = 120
 
 verbose = 0

tests/fixture/flake8.log

@@ -5,4 +5,4 @@
 ./python/scripts/main.py:33:28: E711 comparison to None should be 'if cond is None:'
 ./python/scripts/main.py:40:22: F841 local variable 'datetime_object' is assigned to but never used
 ./python/scripts/main.py:48:0: W292 no newline at end of file
-./python/scripts/main.py:52:13: W291 trailing whitespace
+./python/scripts/main.py:52:13: W291 trailing whitespace

tests/test_main.py

@@ -1,7 +1,6 @@
 import os
 import tempfile
 import pytest
-import json
 from unittest.mock import MagicMock
 from src import main
 from github.GithubException import UnknownObjectException
@@ -131,6 +130,7 @@ def test_build_comment_with_1_error_0_warning_found():
     assert '### Foi encontrado 1 erro.\n' in comment
     assert '### Nenhum aviso foi encontrado.\n' in comment
 
+
 def test_build_comment_with_0_error_1_warning_found():
     feedback = {
         'error': {