enable flake8 (#2752)

sneaxiy · web-flow · commit 7a55e895242b · 2020-07-28T10:49:52.000+08:00
diff --git a/scripts/pre-commit/pylint.sh b/scripts/pre-commit/pylint.sh
@@ -17,4 +17,4 @@ if [[ "$changed_py_files" == "" ]]; then
     exit 0
 fi
 pylint "$changed_py_files"
-flake8 "changed_py_files"
+flake8 "$changed_py_files"
