Add Make command to run vs check isort

.travis.yml

@@ -33,7 +33,7 @@ matrix:
         - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.devstack make validate_translations'
         - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test make clean_static'
         - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test make static'
-        - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test make run_isort'
+        - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test make run_check_isort'
         - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test make run_pep8'
         - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test make run_pylint'
         - docker exec -t ecommerce_testing bash -c 'source /edx/app/ecommerce/ecommerce_env && cd /edx/app/ecommerce/ecommerce/ && DJANGO_SETTINGS_MODULE=ecommerce.settings.test xvfb-run make validate_js'

Makefile

@@ -57,9 +57,12 @@ clean:
 clean_static:
 	rm -rf assets/* ecommerce/static/build/*
 
-run_isort:
+run_check_isort:
 	VIRTUAL_ENV=/edx/app/ecommerce/ecommerce_env isort --check-only --recursive e2e/ ecommerce/
 
+run_isort:
+	VIRTUAL_ENV=/edx/app/ecommerce/ecommerce_env isort --recursive e2e/ ecommerce/
+
 run_pep8:
 	pep8 --config=.pep8 ecommerce e2e