Update pep8speaks config to ignore migrations

Author: sounak98

.pep8speaks.yml

@@ -7,6 +7,7 @@ scanner:
 pycodestyle:  # Same as scanner.linter value. Other option is flake8
     max-line-length: 100  # Default is 79 in PEP 8
     ignore:  # Errors and warnings to ignore
+    exclude: ["*migrations*"]
 
 no_blank_comment: True  # If True, no comment is made on PR without any errors.
 descending_issues_order: False  # If True, PEP 8 issues in message will be displayed in descending order of line numbers in the file