sys exit status codes for travis.

Author: Um9i

{{cookiecutter.app_slug}}/manage.py

@@ -10,6 +10,7 @@
 from project.server import create_app, db
 from project.server.models import User
 import subprocess
+import sys
 
 app = create_app()
 cli = FlaskGroup(create_app=create_app)
@@ -64,8 +65,9 @@ def test():
     tests = unittest.TestLoader().discover('project/tests', pattern='test*.py')
     result = unittest.TextTestRunner(verbosity=2).run(tests)
     if result.wasSuccessful():
-        return 0
-    return 1
+        sys.exit(0)
+    else:
+        sys.exit(1)
 
 
 @cli.command()
@@ -80,8 +82,9 @@ def cov():
         COV.report()
         COV.html_report()
         COV.erase()
-        return 0
-    return 1
+        sys.exit(0)
+    else:
+        sys.exit(1)
 
 
 @cli.command()