loweer does not exist, let's use lower

ari.py

@@ -12,7 +12,7 @@ def ari_call(config, verbs, method, payload):
         raise e
     try:
         full_url = '/'.join([base_url, '/'.join(verbs)])
-        if method.loweer() == 'del':
+        if method.lower() == 'del':
             call = requests.delete
         else:
             call = getattrs(requests, method.lower())