Add pytype to code_checks.sh

Author: dfilan

ci/code_checks.sh

@@ -6,5 +6,6 @@ SRC_FILES=(src/ tests/ setup.py)
 set -x  # echo commands
 set -e  # quit immediately on error
 
+pytype ${SRC_FILES[@]}
 flake8 ${SRC_FILES[@]}
-black --check ${SRC_FILES[@]}
+black --check ${SRC_FILES[@]}